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Finding the Fourth Proportional to 95,149.92, 142,617.96 and 45,189.12

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Solution

The fourth proportional to 95,149.92, 142,617.96 and 45,189.12 is: 67,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,149.92 : 142,617.96 = 45,189.12 : x
  2. Step 2: Convert to fraction form
    95,149.92/142,617.96 = 45,189.12/x
  3. Step 3: Cross multiply
    95,149.92x = 142,617.96 × 45,189.12
  4. Step 4: Simplify right side
    95,149.92x = 6,444,780,108.60
  5. Step 5: Solve for x
    x = 6,444,780,108.60/95,149.92
  6. Step 6: Final answer
    x = 67,732.90

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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.