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Finding the Fourth Proportional to 95,792.68, 143,688.96 and 45,179.94

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Solution

The fourth proportional to 95,792.68, 143,688.96 and 45,179.94 is: 67,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,792.68 : 143,688.96 = 45,179.94 : x
  2. Step 2: Convert to fraction form
    95,792.68/143,688.96 = 45,179.94/x
  3. Step 3: Cross multiply
    95,792.68x = 143,688.96 × 45,179.94
  4. Step 4: Simplify right side
    95,792.68x = 6,491,858,591.46
  5. Step 5: Solve for x
    x = 6,491,858,591.46/95,792.68
  6. Step 6: Final answer
    x = 67,769.88

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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.