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Finding the Fourth Proportional to 445,046.28, 667,489.65 and 125,121.42

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Solution

The fourth proportional to 445,046.28, 667,489.65 and 125,121.42 is: 187,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,046.28 : 667,489.65 = 125,121.42 : x
  2. Step 2: Convert to fraction form
    445,046.28/667,489.65 = 125,121.42/x
  3. Step 3: Cross multiply
    445,046.28x = 667,489.65 × 125,121.42
  4. Step 4: Simplify right side
    445,046.28x = 83,517,252,843.30
  5. Step 5: Solve for x
    x = 83,517,252,843.30/445,046.28
  6. Step 6: Final answer
    x = 187,659.70

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