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Finding the Fourth Proportional to 95,245.46, 131,412.12 and 75,039.71

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Solution

The fourth proportional to 95,245.46, 131,412.12 and 75,039.71 is: 103,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,245.46 : 131,412.12 = 75,039.71 : x
  2. Step 2: Convert to fraction form
    95,245.46/131,412.12 = 75,039.71/x
  3. Step 3: Cross multiply
    95,245.46x = 131,412.12 × 75,039.71
  4. Step 4: Simplify right side
    95,245.46x = 9,861,127,375.29
  5. Step 5: Solve for x
    x = 9,861,127,375.29/95,245.46
  6. Step 6: Final answer
    x = 103,533.83

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1.5x scale

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.