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Finding the Fourth Proportional to 306,614.53, 459,921.93 and 137,937.88

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Solution

The fourth proportional to 306,614.53, 459,921.93 and 137,937.88 is: 206,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,614.53 : 459,921.93 = 137,937.88 : x
  2. Step 2: Convert to fraction form
    306,614.53/459,921.93 = 137,937.88/x
  3. Step 3: Cross multiply
    306,614.53x = 459,921.93 × 137,937.88
  4. Step 4: Simplify right side
    306,614.53x = 63,440,655,989.71
  5. Step 5: Solve for x
    x = 63,440,655,989.71/306,614.53
  6. Step 6: Final answer
    x = 206,906.88

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