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Finding the Fourth Proportional to 99,327.55, 148,944.42 and 36,103.19

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Solution

The fourth proportional to 99,327.55, 148,944.42 and 36,103.19 is: 54,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.55 : 148,944.42 = 36,103.19 : x
  2. Step 2: Convert to fraction form
    99,327.55/148,944.42 = 36,103.19/x
  3. Step 3: Cross multiply
    99,327.55x = 148,944.42 × 36,103.19
  4. Step 4: Simplify right side
    99,327.55x = 5,377,368,694.70
  5. Step 5: Solve for x
    x = 5,377,368,694.70/99,327.55
  6. Step 6: Final answer
    x = 54,137.74

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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.