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Finding the Fourth Proportional to 168,469.89, 232,493.24 and 91,993.85

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Solution

The fourth proportional to 168,469.89, 232,493.24 and 91,993.85 is: 126,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469.89 : 232,493.24 = 91,993.85 : x
  2. Step 2: Convert to fraction form
    168,469.89/232,493.24 = 91,993.85/x
  3. Step 3: Cross multiply
    168,469.89x = 232,493.24 × 91,993.85
  4. Step 4: Simplify right side
    168,469.89x = 21,387,946,624.14
  5. Step 5: Solve for x
    x = 21,387,946,624.14/168,469.89
  6. Step 6: Final answer
    x = 126,954.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.