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Finding the Fourth Proportional to 80,612.94, 120,919.70 and 24,453.53

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Solution

The fourth proportional to 80,612.94, 120,919.70 and 24,453.53 is: 36,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,612.94 : 120,919.70 = 24,453.53 : x
  2. Step 2: Convert to fraction form
    80,612.94/120,919.70 = 24,453.53/x
  3. Step 3: Cross multiply
    80,612.94x = 120,919.70 × 24,453.53
  4. Step 4: Simplify right side
    80,612.94x = 2,956,913,691.57
  5. Step 5: Solve for x
    x = 2,956,913,691.57/80,612.94
  6. Step 6: Final answer
    x = 36,680.39

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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.