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Finding the Fourth Proportional to 75,149.84, 112,737.76 and 25,234.76

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Solution

The fourth proportional to 75,149.84, 112,737.76 and 25,234.76 is: 37,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.84 : 112,737.76 = 25,234.76 : x
  2. Step 2: Convert to fraction form
    75,149.84/112,737.76 = 25,234.76/x
  3. Step 3: Cross multiply
    75,149.84x = 112,737.76 × 25,234.76
  4. Step 4: Simplify right side
    75,149.84x = 2,844,910,535.30
  5. Step 5: Solve for x
    x = 2,844,910,535.30/75,149.84
  6. Step 6: Final answer
    x = 37,856.51

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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.