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Finding the Fourth Proportional to 80,758.80, 121,138.20 and 24,598.80

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Solution

The fourth proportional to 80,758.80, 121,138.20 and 24,598.80 is: 36,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,758.80 : 121,138.20 = 24,598.80 : x
  2. Step 2: Convert to fraction form
    80,758.80/121,138.20 = 24,598.80/x
  3. Step 3: Cross multiply
    80,758.80x = 121,138.20 × 24,598.80
  4. Step 4: Simplify right side
    80,758.80x = 2,979,854,354.16
  5. Step 5: Solve for x
    x = 2,979,854,354.16/80,758.80
  6. Step 6: Final answer
    x = 36,898.20

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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.