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Finding the Fourth Proportional to 125,398.56, 173,049.44 and 68,037.84

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Solution

The fourth proportional to 125,398.56, 173,049.44 and 68,037.84 is: 93,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,398.56 : 173,049.44 = 68,037.84 : x
  2. Step 2: Convert to fraction form
    125,398.56/173,049.44 = 68,037.84/x
  3. Step 3: Cross multiply
    125,398.56x = 173,049.44 × 68,037.84
  4. Step 4: Simplify right side
    125,398.56x = 11,773,910,110.81
  5. Step 5: Solve for x
    x = 11,773,910,110.81/125,398.56
  6. Step 6: Final answer
    x = 93,891.91

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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.