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Finding the Fourth Proportional to 179,632.80, 269,449.20 and 165,052.80

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Solution

The fourth proportional to 179,632.80, 269,449.20 and 165,052.80 is: 247,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,632.80 : 269,449.20 = 165,052.80 : x
  2. Step 2: Convert to fraction form
    179,632.80/269,449.20 = 165,052.80/x
  3. Step 3: Cross multiply
    179,632.80x = 269,449.20 × 165,052.80
  4. Step 4: Simplify right side
    179,632.80x = 44,473,344,917.76
  5. Step 5: Solve for x
    x = 44,473,344,917.76/179,632.80
  6. Step 6: Final answer
    x = 247,579.20

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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.