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Finding the Fourth Proportional to 250,472.52, 375,770.25 and 72,981.18

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Solution

The fourth proportional to 250,472.52, 375,770.25 and 72,981.18 is: 109,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,472.52 : 375,770.25 = 72,981.18 : x
  2. Step 2: Convert to fraction form
    250,472.52/375,770.25 = 72,981.18/x
  3. Step 3: Cross multiply
    250,472.52x = 375,770.25 × 72,981.18
  4. Step 4: Simplify right side
    250,472.52x = 27,424,156,253.90
  5. Step 5: Solve for x
    x = 27,424,156,253.90/250,472.52
  6. Step 6: Final answer
    x = 109,489.68

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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.