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Finding the Fourth Proportional to 179,630.80, 269,446.20 and 132,974.80

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Solution

The fourth proportional to 179,630.80, 269,446.20 and 132,974.80 is: 199,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630.80 : 269,446.20 = 132,974.80 : x
  2. Step 2: Convert to fraction form
    179,630.80/269,446.20 = 132,974.80/x
  3. Step 3: Cross multiply
    179,630.80x = 269,446.20 × 132,974.80
  4. Step 4: Simplify right side
    179,630.80x = 35,829,554,555.76
  5. Step 5: Solve for x
    x = 35,829,554,555.76/179,630.80
  6. Step 6: Final answer
    x = 199,462.20

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1.5x scale

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.