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Finding the Fourth Proportional to 270,236.49, 372,922.29 and 149,375.10

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Solution

The fourth proportional to 270,236.49, 372,922.29 and 149,375.10 is: 206,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,236.49 : 372,922.29 = 149,375.10 : x
  2. Step 2: Convert to fraction form
    270,236.49/372,922.29 = 149,375.10/x
  3. Step 3: Cross multiply
    270,236.49x = 372,922.29 × 149,375.10
  4. Step 4: Simplify right side
    270,236.49x = 55,705,304,360.98
  5. Step 5: Solve for x
    x = 55,705,304,360.98/270,236.49
  6. Step 6: Final answer
    x = 206,135.39

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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.