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Finding the Fourth Proportional to 99,314.60, 148,753.20 and 88,233.80

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Solution

The fourth proportional to 99,314.60, 148,753.20 and 88,233.80 is: 132,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.60 : 148,753.20 = 88,233.80 : x
  2. Step 2: Convert to fraction form
    99,314.60/148,753.20 = 88,233.80/x
  3. Step 3: Cross multiply
    99,314.60x = 148,753.20 × 88,233.80
  4. Step 4: Simplify right side
    99,314.60x = 13,125,060,098.16
  5. Step 5: Solve for x
    x = 13,125,060,098.16/99,314.60
  6. Step 6: Final answer
    x = 132,156.40

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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.