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Finding the Fourth Proportional to 157,743.84, 217,653.28 and 100,362.48

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Solution

The fourth proportional to 157,743.84, 217,653.28 and 100,362.48 is: 138,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,743.84 : 217,653.28 = 100,362.48 : x
  2. Step 2: Convert to fraction form
    157,743.84/217,653.28 = 100,362.48/x
  3. Step 3: Cross multiply
    157,743.84x = 217,653.28 × 100,362.48
  4. Step 4: Simplify right side
    157,743.84x = 21,844,222,960.93
  5. Step 5: Solve for x
    x = 21,844,222,960.93/157,743.84
  6. Step 6: Final answer
    x = 138,479.09

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