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Finding the Fourth Proportional to 88,712.10, 133,068.15 and 87,545.70

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Solution

The fourth proportional to 88,712.10, 133,068.15 and 87,545.70 is: 131,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.10 : 133,068.15 = 87,545.70 : x
  2. Step 2: Convert to fraction form
    88,712.10/133,068.15 = 87,545.70/x
  3. Step 3: Cross multiply
    88,712.10x = 133,068.15 × 87,545.70
  4. Step 4: Simplify right side
    88,712.10x = 11,649,544,339.46
  5. Step 5: Solve for x
    x = 11,649,544,339.46/88,712.10
  6. Step 6: Final answer
    x = 131,318.55

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