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Finding the Fourth Proportional to 274,854.67, 412,548.09 and 132,799.91

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Solution

The fourth proportional to 274,854.67, 412,548.09 and 132,799.91 is: 199,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,854.67 : 412,548.09 = 132,799.91 : x
  2. Step 2: Convert to fraction form
    274,854.67/412,548.09 = 132,799.91/x
  3. Step 3: Cross multiply
    274,854.67x = 412,548.09 × 132,799.91
  4. Step 4: Simplify right side
    274,854.67x = 54,786,346,661.93
  5. Step 5: Solve for x
    x = 54,786,346,661.93/274,854.67
  6. Step 6: Final answer
    x = 199,328.42

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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.