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Finding the Fourth Proportional to 199,517.97, 275,333.69 and 108,873.66

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Solution

The fourth proportional to 199,517.97, 275,333.69 and 108,873.66 is: 150,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,517.97 : 275,333.69 = 108,873.66 : x
  2. Step 2: Convert to fraction form
    199,517.97/275,333.69 = 108,873.66/x
  3. Step 3: Cross multiply
    199,517.97x = 275,333.69 × 108,873.66
  4. Step 4: Simplify right side
    199,517.97x = 29,976,586,551.61
  5. Step 5: Solve for x
    x = 29,976,586,551.61/199,517.97
  6. Step 6: Final answer
    x = 150,245.05

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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.