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Finding the Fourth Proportional to 88,565.85, 132,819.87 and 29,385.63

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Solution

The fourth proportional to 88,565.85, 132,819.87 and 29,385.63 is: 44,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.85 : 132,819.87 = 29,385.63 : x
  2. Step 2: Convert to fraction form
    88,565.85/132,819.87 = 29,385.63/x
  3. Step 3: Cross multiply
    88,565.85x = 132,819.87 × 29,385.63
  4. Step 4: Simplify right side
    88,565.85x = 3,902,995,556.47
  5. Step 5: Solve for x
    x = 3,902,995,556.47/88,565.85
  6. Step 6: Final answer
    x = 44,068.85

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1.5x scale

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.