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Finding the Fourth Proportional to 269,701.20, 404,454.60 and 136,537.20

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Solution

The fourth proportional to 269,701.20, 404,454.60 and 136,537.20 is: 204,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,701.20 : 404,454.60 = 136,537.20 : x
  2. Step 2: Convert to fraction form
    269,701.20/404,454.60 = 136,537.20/x
  3. Step 3: Cross multiply
    269,701.20x = 404,454.60 × 136,537.20
  4. Step 4: Simplify right side
    269,701.20x = 55,223,098,611.12
  5. Step 5: Solve for x
    x = 55,223,098,611.12/269,701.20
  6. Step 6: Final answer
    x = 204,756.59

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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.