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Finding the Fourth Proportional to 269,726.20, 404,735.10 and 119,989.60

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Solution

The fourth proportional to 269,726.20, 404,735.10 and 119,989.60 is: 180,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,726.20 : 404,735.10 = 119,989.60 : x
  2. Step 2: Convert to fraction form
    269,726.20/404,735.10 = 119,989.60/x
  3. Step 3: Cross multiply
    269,726.20x = 404,735.10 × 119,989.60
  4. Step 4: Simplify right side
    269,726.20x = 48,564,002,754.96
  5. Step 5: Solve for x
    x = 48,564,002,754.96/269,726.20
  6. Step 6: Final answer
    x = 180,049.26

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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.