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Finding the Fourth Proportional to 179,706.66, 269,481.28 and 67,308.02

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Solution

The fourth proportional to 179,706.66, 269,481.28 and 67,308.02 is: 100,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,706.66 : 269,481.28 = 67,308.02 : x
  2. Step 2: Convert to fraction form
    179,706.66/269,481.28 = 67,308.02/x
  3. Step 3: Cross multiply
    179,706.66x = 269,481.28 × 67,308.02
  4. Step 4: Simplify right side
    179,706.66x = 18,138,251,383.87
  5. Step 5: Solve for x
    x = 18,138,251,383.87/179,706.66
  6. Step 6: Final answer
    x = 100,932.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.