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Finding the Fourth Proportional to 284,167.44, 392,123.13 and 156,834.83

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Solution

The fourth proportional to 284,167.44, 392,123.13 and 156,834.83 is: 216,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,167.44 : 392,123.13 = 156,834.83 : x
  2. Step 2: Convert to fraction form
    284,167.44/392,123.13 = 156,834.83/x
  3. Step 3: Cross multiply
    284,167.44x = 392,123.13 × 156,834.83
  4. Step 4: Simplify right side
    284,167.44x = 61,498,562,472.00
  5. Step 5: Solve for x
    x = 61,498,562,472.00/284,167.44
  6. Step 6: Final answer
    x = 216,416.64

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