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Finding the Fourth Proportional to 192,754.28, 265,963.97 and 124,761.80

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Solution

The fourth proportional to 192,754.28, 265,963.97 and 124,761.80 is: 172,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,754.28 : 265,963.97 = 124,761.80 : x
  2. Step 2: Convert to fraction form
    192,754.28/265,963.97 = 124,761.80/x
  3. Step 3: Cross multiply
    192,754.28x = 265,963.97 × 124,761.80
  4. Step 4: Simplify right side
    192,754.28x = 33,182,144,609.16
  5. Step 5: Solve for x
    x = 33,182,144,609.16/192,754.28
  6. Step 6: Final answer
    x = 172,147.38

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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.