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Finding the Fourth Proportional to 284,156.97, 392,134.68 and 156,832.58

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Solution

The fourth proportional to 284,156.97, 392,134.68 and 156,832.58 is: 216,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,156.97 : 392,134.68 = 156,832.58 : x
  2. Step 2: Convert to fraction form
    284,156.97/392,134.68 = 156,832.58/x
  3. Step 3: Cross multiply
    284,156.97x = 392,134.68 × 156,832.58
  4. Step 4: Simplify right side
    284,156.97x = 61,499,491,611.20
  5. Step 5: Solve for x
    x = 61,499,491,611.20/284,156.97
  6. Step 6: Final answer
    x = 216,427.88

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