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Finding the Fourth Proportional to 125,996.91, 173,867.48 and 69,408.28

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Solution

The fourth proportional to 125,996.91, 173,867.48 and 69,408.28 is: 95,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,996.91 : 173,867.48 = 69,408.28 : x
  2. Step 2: Convert to fraction form
    125,996.91/173,867.48 = 69,408.28/x
  3. Step 3: Cross multiply
    125,996.91x = 173,867.48 × 69,408.28
  4. Step 4: Simplify right side
    125,996.91x = 12,067,842,387.69
  5. Step 5: Solve for x
    x = 12,067,842,387.69/125,996.91
  6. Step 6: Final answer
    x = 95,778.88

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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.