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Finding the Fourth Proportional to 132,483.86, 198,778.88 and 48,249.90

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Solution

The fourth proportional to 132,483.86, 198,778.88 and 48,249.90 is: 72,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,483.86 : 198,778.88 = 48,249.90 : x
  2. Step 2: Convert to fraction form
    132,483.86/198,778.88 = 48,249.90/x
  3. Step 3: Cross multiply
    132,483.86x = 198,778.88 × 48,249.90
  4. Step 4: Simplify right side
    132,483.86x = 9,591,061,082.11
  5. Step 5: Solve for x
    x = 9,591,061,082.11/132,483.86
  6. Step 6: Final answer
    x = 72,394.19

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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.