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Finding the Fourth Proportional to 80,238.75, 120,340.70 and 24,063.78

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Solution

The fourth proportional to 80,238.75, 120,340.70 and 24,063.78 is: 36,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.75 : 120,340.70 = 24,063.78 : x
  2. Step 2: Convert to fraction form
    80,238.75/120,340.70 = 24,063.78/x
  3. Step 3: Cross multiply
    80,238.75x = 120,340.70 × 24,063.78
  4. Step 4: Simplify right side
    80,238.75x = 2,895,851,823.35
  5. Step 5: Solve for x
    x = 2,895,851,823.35/80,238.75
  6. Step 6: Final answer
    x = 36,090.44

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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.