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Finding the Fourth Proportional to 169,642.67, 254,389.26 and 79,710.97

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Solution

The fourth proportional to 169,642.67, 254,389.26 and 79,710.97 is: 119,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,642.67 : 254,389.26 = 79,710.97 : x
  2. Step 2: Convert to fraction form
    169,642.67/254,389.26 = 79,710.97/x
  3. Step 3: Cross multiply
    169,642.67x = 254,389.26 × 79,710.97
  4. Step 4: Simplify right side
    169,642.67x = 20,277,614,363.73
  5. Step 5: Solve for x
    x = 20,277,614,363.73/169,642.67
  6. Step 6: Final answer
    x = 119,531.33

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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.