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Finding the Fourth Proportional to 119,377.97, 164,765.00 and 68,424.87

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Solution

The fourth proportional to 119,377.97, 164,765.00 and 68,424.87 is: 94,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,377.97 : 164,765.00 = 68,424.87 : x
  2. Step 2: Convert to fraction form
    119,377.97/164,765.00 = 68,424.87/x
  3. Step 3: Cross multiply
    119,377.97x = 164,765.00 × 68,424.87
  4. Step 4: Simplify right side
    119,377.97x = 11,274,023,567.68
  5. Step 5: Solve for x
    x = 11,274,023,567.68/119,377.97
  6. Step 6: Final answer
    x = 94,439.73

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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.