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Finding the Fourth Proportional to 269,354.28, 371,691.42 and 148,496.58

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Solution

The fourth proportional to 269,354.28, 371,691.42 and 148,496.58 is: 204,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,354.28 : 371,691.42 = 148,496.58 : x
  2. Step 2: Convert to fraction form
    269,354.28/371,691.42 = 148,496.58/x
  3. Step 3: Cross multiply
    269,354.28x = 371,691.42 × 148,496.58
  4. Step 4: Simplify right side
    269,354.28x = 55,194,904,685.34
  5. Step 5: Solve for x
    x = 55,194,904,685.34/269,354.28
  6. Step 6: Final answer
    x = 204,915.64

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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.