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Finding the Fourth Proportional to 179,694.72, 269,507.52 and 61,353.72

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Solution

The fourth proportional to 179,694.72, 269,507.52 and 61,353.72 is: 92,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,694.72 : 269,507.52 = 61,353.72 : x
  2. Step 2: Convert to fraction form
    179,694.72/269,507.52 = 61,353.72/x
  3. Step 3: Cross multiply
    179,694.72x = 269,507.52 × 61,353.72
  4. Step 4: Simplify right side
    179,694.72x = 16,535,288,919.97
  5. Step 5: Solve for x
    x = 16,535,288,919.97/179,694.72
  6. Step 6: Final answer
    x = 92,018.78

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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.