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Finding the Fourth Proportional to 80,193.56, 120,290.34 and 24,789.56

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Solution

The fourth proportional to 80,193.56, 120,290.34 and 24,789.56 is: 37,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,193.56 : 120,290.34 = 24,789.56 : x
  2. Step 2: Convert to fraction form
    80,193.56/120,290.34 = 24,789.56/x
  3. Step 3: Cross multiply
    80,193.56x = 120,290.34 × 24,789.56
  4. Step 4: Simplify right side
    80,193.56x = 2,981,944,600.85
  5. Step 5: Solve for x
    x = 2,981,944,600.85/80,193.56
  6. Step 6: Final answer
    x = 37,184.34

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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.