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Finding the Fourth Proportional to 247,711.80, 371,567.70 and 173,062.20

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Solution

The fourth proportional to 247,711.80, 371,567.70 and 173,062.20 is: 259,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.80 : 371,567.70 = 173,062.20 : x
  2. Step 2: Convert to fraction form
    247,711.80/371,567.70 = 173,062.20/x
  3. Step 3: Cross multiply
    247,711.80x = 371,567.70 × 173,062.20
  4. Step 4: Simplify right side
    247,711.80x = 64,304,323,610.94
  5. Step 5: Solve for x
    x = 64,304,323,610.94/247,711.80
  6. Step 6: Final answer
    x = 259,593.30

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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.