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Finding the Fourth Proportional to 80,374.80, 120,561.56 and 24,214.72

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Solution

The fourth proportional to 80,374.80, 120,561.56 and 24,214.72 is: 36,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,374.80 : 120,561.56 = 24,214.72 : x
  2. Step 2: Convert to fraction form
    80,374.80/120,561.56 = 24,214.72/x
  3. Step 3: Cross multiply
    80,374.80x = 120,561.56 × 24,214.72
  4. Step 4: Simplify right side
    80,374.80x = 2,919,364,418.16
  5. Step 5: Solve for x
    x = 2,919,364,418.16/80,374.80
  6. Step 6: Final answer
    x = 36,321.89

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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.