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Finding the Fourth Proportional to 126,954.88, 175,076.88 and 75,959.44

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Solution

The fourth proportional to 126,954.88, 175,076.88 and 75,959.44 is: 104,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,954.88 : 175,076.88 = 75,959.44 : x
  2. Step 2: Convert to fraction form
    126,954.88/175,076.88 = 75,959.44/x
  3. Step 3: Cross multiply
    126,954.88x = 175,076.88 × 75,959.44
  4. Step 4: Simplify right side
    126,954.88x = 13,298,741,761.75
  5. Step 5: Solve for x
    x = 13,298,741,761.75/126,954.88
  6. Step 6: Final answer
    x = 104,751.72

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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.