$\text{a)}156:32\%=156:0,32=15600:32=487,5$  

$\text{b)}341:62\%=341:0,62=34100:62=550$  

$\text{c)}11640:97\%=11640:0,97=1164000:97=12000$  

$\text{d)}3465:231\%=3465:2,31=346500:231=1500$  

$\text{e)}48:0,2\%=48:0,002=48000:2=24000$  

$\text{f)}144:1\frac{1}{3}\%=144:\frac{4}{3}\%=144:\frac{4}{300}={\sout{144}}^{36}\cdot \frac{300}{{\sout{4}}^1}=36\cdot 300=10800$  

$\text{g)}76,5:125\%=76,5:1,25=7650:125=61,2$   

$\text{h)}13\frac{1}{3}:400\%=13\frac{1}{3}:4=\frac{40}{3}:4=10:3=3\frac{1}{3}$  

$\text{i)}1,11:111\%=1,11:1,11=1$