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Finding the Fourth Proportional to 88,082.68, 121,551.96 and 50,354.52

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Solution

The fourth proportional to 88,082.68, 121,551.96 and 50,354.52 is: 69,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.68 : 121,551.96 = 50,354.52 : x
  2. Step 2: Convert to fraction form
    88,082.68/121,551.96 = 50,354.52/x
  3. Step 3: Cross multiply
    88,082.68x = 121,551.96 × 50,354.52
  4. Step 4: Simplify right side
    88,082.68x = 6,120,690,600.86
  5. Step 5: Solve for x
    x = 6,120,690,600.86/88,082.68
  6. Step 6: Final answer
    x = 69,488.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.