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Finding the Fourth Proportional to 80,363.52, 120,583.68 and 49,180.80

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Solution

The fourth proportional to 80,363.52, 120,583.68 and 49,180.80 is: 73,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,363.52 : 120,583.68 = 49,180.80 : x
  2. Step 2: Convert to fraction form
    80,363.52/120,583.68 = 49,180.80/x
  3. Step 3: Cross multiply
    80,363.52x = 120,583.68 × 49,180.80
  4. Step 4: Simplify right side
    80,363.52x = 5,930,401,849.34
  5. Step 5: Solve for x
    x = 5,930,401,849.34/80,363.52
  6. Step 6: Final answer
    x = 73,794.70

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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.