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Finding the Fourth Proportional to 242,169.85, 363,286.52 and 80,010.03

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Solution

The fourth proportional to 242,169.85, 363,286.52 and 80,010.03 is: 120,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,169.85 : 363,286.52 = 80,010.03 : x
  2. Step 2: Convert to fraction form
    242,169.85/363,286.52 = 80,010.03/x
  3. Step 3: Cross multiply
    242,169.85x = 363,286.52 × 80,010.03
  4. Step 4: Simplify right side
    242,169.85x = 29,066,565,363.80
  5. Step 5: Solve for x
    x = 29,066,565,363.80/242,169.85
  6. Step 6: Final answer
    x = 120,025.53

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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.