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Finding the Fourth Proportional to 179,689.80, 269,016.30 and 161,027.40

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Solution

The fourth proportional to 179,689.80, 269,016.30 and 161,027.40 is: 241,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,689.80 : 269,016.30 = 161,027.40 : x
  2. Step 2: Convert to fraction form
    179,689.80/269,016.30 = 161,027.40/x
  3. Step 3: Cross multiply
    179,689.80x = 269,016.30 × 161,027.40
  4. Step 4: Simplify right side
    179,689.80x = 43,318,995,346.62
  5. Step 5: Solve for x
    x = 43,318,995,346.62/179,689.80
  6. Step 6: Final answer
    x = 241,076.54

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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.