If the ${5^{th}}$ term of a $G.P.$ is $\frac{1}{3}$ and ${9^{th}}$ term is $\frac{{16}}{{243}}$, then the ${4^{th}}$ term will be

  • A

    $\frac{3}{4}$

  • B

    $\frac{1}{2}$

  • C

    $\frac{1}{3}$

  • D

    $\frac{2}{5}$

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