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Finding the Fourth Proportional to 269,649.96, 404,546.22 and 92,156.28

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Solution

The fourth proportional to 269,649.96, 404,546.22 and 92,156.28 is: 138,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,649.96 : 404,546.22 = 92,156.28 : x
  2. Step 2: Convert to fraction form
    269,649.96/404,546.22 = 92,156.28/x
  3. Step 3: Cross multiply
    269,649.96x = 404,546.22 × 92,156.28
  4. Step 4: Simplify right side
    269,649.96x = 37,281,474,723.26
  5. Step 5: Solve for x
    x = 37,281,474,723.26/269,649.96
  6. Step 6: Final answer
    x = 138,258.78

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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.