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Finding the Fourth Proportional to 220,367.12, 330,463 and 80,049.04

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Solution

The fourth proportional to 220,367.12, 330,463 and 80,049.04 is: 120,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,367.12 : 330,463 = 80,049.04 : x
  2. Step 2: Convert to fraction form
    220,367.12/330,463 = 80,049.04/x
  3. Step 3: Cross multiply
    220,367.12x = 330,463 × 80,049.04
  4. Step 4: Simplify right side
    220,367.12x = 26,453,245,905.52
  5. Step 5: Solve for x
    x = 26,453,245,905.52/220,367.12
  6. Step 6: Final answer
    x = 120,041.71

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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.