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Finding the Fourth Proportional to 167,363.80, 230,961.29 and 90,882.27

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Solution

The fourth proportional to 167,363.80, 230,961.29 and 90,882.27 is: 125,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,363.80 : 230,961.29 = 90,882.27 : x
  2. Step 2: Convert to fraction form
    167,363.80/230,961.29 = 90,882.27/x
  3. Step 3: Cross multiply
    167,363.80x = 230,961.29 × 90,882.27
  4. Step 4: Simplify right side
    167,363.80x = 20,990,287,121.94
  5. Step 5: Solve for x
    x = 20,990,287,121.94/167,363.80
  6. Step 6: Final answer
    x = 125,417.13

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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.