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Finding the Fourth Proportional to 79,949.88, 119,793.60 and 27,330.66

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Solution

The fourth proportional to 79,949.88, 119,793.60 and 27,330.66 is: 40,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949.88 : 119,793.60 = 27,330.66 : x
  2. Step 2: Convert to fraction form
    79,949.88/119,793.60 = 27,330.66/x
  3. Step 3: Cross multiply
    79,949.88x = 119,793.60 × 27,330.66
  4. Step 4: Simplify right side
    79,949.88x = 3,274,038,151.78
  5. Step 5: Solve for x
    x = 3,274,038,151.78/79,949.88
  6. Step 6: Final answer
    x = 40,951.13

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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.