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Finding the Fourth Proportional to 79,818.76, 119,747.56 and 24,414.76

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Solution

The fourth proportional to 79,818.76, 119,747.56 and 24,414.76 is: 36,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818.76 : 119,747.56 = 24,414.76 : x
  2. Step 2: Convert to fraction form
    79,818.76/119,747.56 = 24,414.76/x
  3. Step 3: Cross multiply
    79,818.76x = 119,747.56 × 24,414.76
  4. Step 4: Simplify right side
    79,818.76x = 2,923,607,937.99
  5. Step 5: Solve for x
    x = 2,923,607,937.99/79,818.76
  6. Step 6: Final answer
    x = 36,628.08

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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.