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Finding the Fourth Proportional to 173,456.97, 239,382.72 and 96,990.96

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Solution

The fourth proportional to 173,456.97, 239,382.72 and 96,990.96 is: 133,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,456.97 : 239,382.72 = 96,990.96 : x
  2. Step 2: Convert to fraction form
    173,456.97/239,382.72 = 96,990.96/x
  3. Step 3: Cross multiply
    173,456.97x = 239,382.72 × 96,990.96
  4. Step 4: Simplify right side
    173,456.97x = 23,217,959,820.21
  5. Step 5: Solve for x
    x = 23,217,959,820.21/173,456.97
  6. Step 6: Final answer
    x = 133,854.29

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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.