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Finding the Fourth Proportional to 80,057.90, 120,073.22 and 26,743.84

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Solution

The fourth proportional to 80,057.90, 120,073.22 and 26,743.84 is: 40,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,057.90 : 120,073.22 = 26,743.84 : x
  2. Step 2: Convert to fraction form
    80,057.90/120,073.22 = 26,743.84/x
  3. Step 3: Cross multiply
    80,057.90x = 120,073.22 × 26,743.84
  4. Step 4: Simplify right side
    80,057.90x = 3,211,218,650.35
  5. Step 5: Solve for x
    x = 3,211,218,650.35/80,057.90
  6. Step 6: Final answer
    x = 40,111.20

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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.