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Finding the Fourth Proportional to 284,664.54, 392,857.44 and 157,337.40

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Solution

The fourth proportional to 284,664.54, 392,857.44 and 157,337.40 is: 217,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,664.54 : 392,857.44 = 157,337.40 : x
  2. Step 2: Convert to fraction form
    284,664.54/392,857.44 = 157,337.40/x
  3. Step 3: Cross multiply
    284,664.54x = 392,857.44 × 157,337.40
  4. Step 4: Simplify right side
    284,664.54x = 61,811,168,180.26
  5. Step 5: Solve for x
    x = 61,811,168,180.26/284,664.54
  6. Step 6: Final answer
    x = 217,136.87

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