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Finding the Fourth Proportional to 99,226.60, 148,839.90 and 88,167.40

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Solution

The fourth proportional to 99,226.60, 148,839.90 and 88,167.40 is: 132,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.60 : 148,839.90 = 88,167.40 : x
  2. Step 2: Convert to fraction form
    99,226.60/148,839.90 = 88,167.40/x
  3. Step 3: Cross multiply
    99,226.60x = 148,839.90 × 88,167.40
  4. Step 4: Simplify right side
    99,226.60x = 13,122,826,999.26
  5. Step 5: Solve for x
    x = 13,122,826,999.26/99,226.60
  6. Step 6: Final answer
    x = 132,251.10

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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.