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Finding the Fourth Proportional to 126,874.80, 190,053.84 and 60,112.56

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Solution

The fourth proportional to 126,874.80, 190,053.84 and 60,112.56 is: 90,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,874.80 : 190,053.84 = 60,112.56 : x
  2. Step 2: Convert to fraction form
    126,874.80/190,053.84 = 60,112.56/x
  3. Step 3: Cross multiply
    126,874.80x = 190,053.84 × 60,112.56
  4. Step 4: Simplify right side
    126,874.80x = 11,424,622,860.23
  5. Step 5: Solve for x
    x = 11,424,622,860.23/126,874.80
  6. Step 6: Final answer
    x = 90,046.43

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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.