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Finding the Fourth Proportional to 126,062.88, 173,966.77 and 75,761.88

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Solution

The fourth proportional to 126,062.88, 173,966.77 and 75,761.88 is: 104,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,062.88 : 173,966.77 = 75,761.88 : x
  2. Step 2: Convert to fraction form
    126,062.88/173,966.77 = 75,761.88/x
  3. Step 3: Cross multiply
    126,062.88x = 173,966.77 × 75,761.88
  4. Step 4: Simplify right side
    126,062.88x = 13,180,049,552.73
  5. Step 5: Solve for x
    x = 13,180,049,552.73/126,062.88
  6. Step 6: Final answer
    x = 104,551.39

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1.5x scale

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.