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Finding the Fourth Proportional to 250,254.69, 375,446.02 and 72,761.70

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Solution

The fourth proportional to 250,254.69, 375,446.02 and 72,761.70 is: 109,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,254.69 : 375,446.02 = 72,761.70 : x
  2. Step 2: Convert to fraction form
    250,254.69/375,446.02 = 72,761.70/x
  3. Step 3: Cross multiply
    250,254.69x = 375,446.02 × 72,761.70
  4. Step 4: Simplify right side
    250,254.69x = 27,318,088,432.40
  5. Step 5: Solve for x
    x = 27,318,088,432.40/250,254.69
  6. Step 6: Final answer
    x = 109,161.15

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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.