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Finding the Fourth Proportional to 88,593,937.60, 132,890,906.40 and 54,404,420.80

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Solution

The fourth proportional to 88,593,937.60, 132,890,906.40 and 54,404,420.80 is: 81,606,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593,937.60 : 132,890,906.40 = 54,404,420.80 : x
  2. Step 2: Convert to fraction form
    88,593,937.60/132,890,906.40 = 54,404,420.80/x
  3. Step 3: Cross multiply
    88,593,937.60x = 132,890,906.40 × 54,404,420.80
  4. Step 4: Simplify right side
    88,593,937.60x = 7,229,852,792,279,013
  5. Step 5: Solve for x
    x = 7,229,852,792,279,013/88,593,937.60
  6. Step 6: Final answer
    x = 81,606,631.20

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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.