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Finding the Fourth Proportional to 80,306.70, 120,459.68 and 24,146.56

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Solution

The fourth proportional to 80,306.70, 120,459.68 and 24,146.56 is: 36,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,306.70 : 120,459.68 = 24,146.56 : x
  2. Step 2: Convert to fraction form
    80,306.70/120,459.68 = 24,146.56/x
  3. Step 3: Cross multiply
    80,306.70x = 120,459.68 × 24,146.56
  4. Step 4: Simplify right side
    80,306.70x = 2,908,686,890.70
  5. Step 5: Solve for x
    x = 2,908,686,890.70/80,306.70
  6. Step 6: Final answer
    x = 36,219.73

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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.