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Finding the Fourth Proportional to 187,672.15, 281,508.68 and 45,516.85

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Solution

The fourth proportional to 187,672.15, 281,508.68 and 45,516.85 is: 68,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,672.15 : 281,508.68 = 45,516.85 : x
  2. Step 2: Convert to fraction form
    187,672.15/281,508.68 = 45,516.85/x
  3. Step 3: Cross multiply
    187,672.15x = 281,508.68 × 45,516.85
  4. Step 4: Simplify right side
    187,672.15x = 12,813,387,771.28
  5. Step 5: Solve for x
    x = 12,813,387,771.28/187,672.15
  6. Step 6: Final answer
    x = 68,275.38

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