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Finding the Fourth Proportional to 126,854.33, 175,052.68 and 69,493.88

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Solution

The fourth proportional to 126,854.33, 175,052.68 and 69,493.88 is: 95,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,854.33 : 175,052.68 = 69,493.88 : x
  2. Step 2: Convert to fraction form
    126,854.33/175,052.68 = 69,493.88/x
  3. Step 3: Cross multiply
    126,854.33x = 175,052.68 × 69,493.88
  4. Step 4: Simplify right side
    126,854.33x = 12,165,090,201.50
  5. Step 5: Solve for x
    x = 12,165,090,201.50/126,854.33
  6. Step 6: Final answer
    x = 95,898.11

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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.