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Finding the Fourth Proportional to 269,230.17, 371,540.17 and 148,375.88

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Solution

The fourth proportional to 269,230.17, 371,540.17 and 148,375.88 is: 204,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,230.17 : 371,540.17 = 148,375.88 : x
  2. Step 2: Convert to fraction form
    269,230.17/371,540.17 = 148,375.88/x
  3. Step 3: Cross multiply
    269,230.17x = 371,540.17 × 148,375.88
  4. Step 4: Simplify right side
    269,230.17x = 55,127,599,679.10
  5. Step 5: Solve for x
    x = 55,127,599,679.10/269,230.17
  6. Step 6: Final answer
    x = 204,760.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.