How To Use Four-fold In A Sentence

Spending on a perennial effort to expand gambling at race tracks, known as "racino," increased four-fold to about $620,000 in 2010. StarTribune.com rss feed
An ongoing trial in Uganda shows that coverage rates have increased by from two-fold to four-fold.
But for cattle and women lent [the return] is, their offspring: the highest encrease demandable for use of liquids [99] is eight-fold; for wearing apparel, for corn, and for gold, four-fold, three-fold and two-fold respectively. Hindu Law and Judicature from the Dharma-Sástra of Yájnavalkya
Here then, plain upon this apparent arbitrarily levised trifle, this petty provincial money-token, this poor bawbee, that is, this coin not only of the very humblest order, but proverbially sordid at that, we find clearly set down, long generations ago, the whole [Page: 99] four-fold analysis and synthesis of civic life we have been above labouring for. Civics: as Applied Sociology
The experiments indicate that a low-dose herbicide seed coating on resistant corn can increase yields up to four-fold in fields highly infested with witchweed.

The figures tally with national averages, as a new report out today from the Department of Health reveals that Caesareans have increased four-fold in the last 25 years.
In some patients, there was four-fold increase in antibody response before the first sputum culture of P cepacia.
An ongoing trial in Uganda shows that coverage rates have increased by from two-fold to four-fold.
To this end, the responsibilities of the nematologists are, in the very least, four-fold.
There has been a four-fold increase in couples breaking up for these reasons in the last two years, amid increasing financial strain on families.
The figures tally with national averages, as a new report out today from the Department of Health reveals that Caesareans have increased four-fold in the last 25 years.
With the exception of the Brahmans and the untouchables the middle level was extremely heterogeneous and often unidentifiable within the four-fold varna.
The answer is an emphatic, and four-fold, oui. Times, Sunday Times