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Finding the Fourth Proportional to 167,389.97, 251,101.49 and 55,024.61

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Solution

The fourth proportional to 167,389.97, 251,101.49 and 55,024.61 is: 82,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,389.97 : 251,101.49 = 55,024.61 : x
  2. Step 2: Convert to fraction form
    167,389.97/251,101.49 = 55,024.61/x
  3. Step 3: Cross multiply
    167,389.97x = 251,101.49 × 55,024.61
  4. Step 4: Simplify right side
    167,389.97x = 13,816,760,027.04
  5. Step 5: Solve for x
    x = 13,816,760,027.04/167,389.97
  6. Step 6: Final answer
    x = 82,542.34

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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.