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Finding the Fourth Proportional to 80,542.01, 120,782.24 and 26,494.12

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Solution

The fourth proportional to 80,542.01, 120,782.24 and 26,494.12 is: 39,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542.01 : 120,782.24 = 26,494.12 : x
  2. Step 2: Convert to fraction form
    80,542.01/120,782.24 = 26,494.12/x
  3. Step 3: Cross multiply
    80,542.01x = 120,782.24 × 26,494.12
  4. Step 4: Simplify right side
    80,542.01x = 3,200,019,278.29
  5. Step 5: Solve for x
    x = 3,200,019,278.29/80,542.01
  6. Step 6: Final answer
    x = 39,731.06

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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.