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Finding the Fourth Proportional to 126,118.60, 174,044.86 and 69,532

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Solution

The fourth proportional to 126,118.60, 174,044.86 and 69,532 is: 95,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.60 : 174,044.86 = 69,532 : x
  2. Step 2: Convert to fraction form
    126,118.60/174,044.86 = 69,532/x
  3. Step 3: Cross multiply
    126,118.60x = 174,044.86 × 69,532
  4. Step 4: Simplify right side
    126,118.60x = 12,101,687,205.52
  5. Step 5: Solve for x
    x = 12,101,687,205.52/126,118.60
  6. Step 6: Final answer
    x = 95,954.82

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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.