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Finding the Fourth Proportional to 95,151.92, 142,620.96 and 45,191.12

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Solution

The fourth proportional to 95,151.92, 142,620.96 and 45,191.12 is: 67,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,151.92 : 142,620.96 = 45,191.12 : x
  2. Step 2: Convert to fraction form
    95,151.92/142,620.96 = 45,191.12/x
  3. Step 3: Cross multiply
    95,151.92x = 142,620.96 × 45,191.12
  4. Step 4: Simplify right side
    95,151.92x = 6,445,200,917.88
  5. Step 5: Solve for x
    x = 6,445,200,917.88/95,151.92
  6. Step 6: Final answer
    x = 67,735.90

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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.