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Finding the Fourth Proportional to 272,591.46, 408,770.55 and 95,045.94

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Solution

The fourth proportional to 272,591.46, 408,770.55 and 95,045.94 is: 142,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,591.46 : 408,770.55 = 95,045.94 : x
  2. Step 2: Convert to fraction form
    272,591.46/408,770.55 = 95,045.94/x
  3. Step 3: Cross multiply
    272,591.46x = 408,770.55 × 95,045.94
  4. Step 4: Simplify right side
    272,591.46x = 38,851,981,169.07
  5. Step 5: Solve for x
    x = 38,851,981,169.07/272,591.46
  6. Step 6: Final answer
    x = 142,528.24

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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.