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Finding the Fourth Proportional to 179,626.80, 269,440.20 and 132,970.80

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Solution

The fourth proportional to 179,626.80, 269,440.20 and 132,970.80 is: 199,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626.80 : 269,440.20 = 132,970.80 : x
  2. Step 2: Convert to fraction form
    179,626.80/269,440.20 = 132,970.80/x
  3. Step 3: Cross multiply
    179,626.80x = 269,440.20 × 132,970.80
  4. Step 4: Simplify right side
    179,626.80x = 35,827,678,946.16
  5. Step 5: Solve for x
    x = 35,827,678,946.16/179,626.80
  6. Step 6: Final answer
    x = 199,456.20

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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.