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Finding the Fourth Proportional to 179,930.40, 269,463.60 and 96,640.80

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Solution

The fourth proportional to 179,930.40, 269,463.60 and 96,640.80 is: 144,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,930.40 : 269,463.60 = 96,640.80 : x
  2. Step 2: Convert to fraction form
    179,930.40/269,463.60 = 96,640.80/x
  3. Step 3: Cross multiply
    179,930.40x = 269,463.60 × 96,640.80
  4. Step 4: Simplify right side
    179,930.40x = 26,041,177,874.88
  5. Step 5: Solve for x
    x = 26,041,177,874.88/179,930.40
  6. Step 6: Final answer
    x = 144,729.17

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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.