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Math·Geometry and Trigonometry·Lines, angles, and triangles

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$△QPR$ is similar to $△STR$. The lengths represented by $ST$, $QP$, $PR$, and $QR$ in the figure are $10$, $16$, $30$, and $34$, respectively. What is the length of $SR$?

A

$\frac{340}{16}$

B

$\frac{340}{30}$

C

$\frac{160}{30}$

D

$\frac{160}{34}$