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Finding the Fourth Proportional to 80,898.82, 121,348.50 and 24,738.70

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Solution

The fourth proportional to 80,898.82, 121,348.50 and 24,738.70 is: 37,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,898.82 : 121,348.50 = 24,738.70 : x
  2. Step 2: Convert to fraction form
    80,898.82/121,348.50 = 24,738.70/x
  3. Step 3: Cross multiply
    80,898.82x = 121,348.50 × 24,738.70
  4. Step 4: Simplify right side
    80,898.82x = 3,002,004,136.95
  5. Step 5: Solve for x
    x = 3,002,004,136.95/80,898.82
  6. Step 6: Final answer
    x = 37,108.13

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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.