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Finding the Fourth Proportional to 172,375.56, 258,604.76 and 54,046.92

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Solution

The fourth proportional to 172,375.56, 258,604.76 and 54,046.92 is: 81,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,375.56 : 258,604.76 = 54,046.92 : x
  2. Step 2: Convert to fraction form
    172,375.56/258,604.76 = 54,046.92/x
  3. Step 3: Cross multiply
    172,375.56x = 258,604.76 × 54,046.92
  4. Step 4: Simplify right side
    172,375.56x = 13,976,789,738.01
  5. Step 5: Solve for x
    x = 13,976,789,738.01/172,375.56
  6. Step 6: Final answer
    x = 81,083.36

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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.