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Finding the Fourth Proportional to 110,515.67, 165,774.66 and 88,469.20

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Solution

The fourth proportional to 110,515.67, 165,774.66 and 88,469.20 is: 132,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,515.67 : 165,774.66 = 88,469.20 : x
  2. Step 2: Convert to fraction form
    110,515.67/165,774.66 = 88,469.20/x
  3. Step 3: Cross multiply
    110,515.67x = 165,774.66 × 88,469.20
  4. Step 4: Simplify right side
    110,515.67x = 14,665,951,550.47
  5. Step 5: Solve for x
    x = 14,665,951,550.47/110,515.67
  6. Step 6: Final answer
    x = 132,704.72

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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.