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Finding the Fourth Proportional to 89,314,689.40, 133,972,034.10 and 88,558,862.20

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Solution

The fourth proportional to 89,314,689.40, 133,972,034.10 and 88,558,862.20 is: 132,838,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314,689.40 : 133,972,034.10 = 88,558,862.20 : x
  2. Step 2: Convert to fraction form
    89,314,689.40/133,972,034.10 = 88,558,862.20/x
  3. Step 3: Cross multiply
    89,314,689.40x = 133,972,034.10 × 88,558,862.20
  4. Step 4: Simplify right side
    89,314,689.40x = 11,864,410,906,515,600
  5. Step 5: Solve for x
    x = 11,864,410,906,515,600/89,314,689.40
  6. Step 6: Final answer
    x = 132,838,293.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.