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Finding the Fourth Proportional to 194,294.82, 267,974.88 and 126,333.78

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Solution

The fourth proportional to 194,294.82, 267,974.88 and 126,333.78 is: 174,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,294.82 : 267,974.88 = 126,333.78 : x
  2. Step 2: Convert to fraction form
    194,294.82/267,974.88 = 126,333.78/x
  3. Step 3: Cross multiply
    194,294.82x = 267,974.88 × 126,333.78
  4. Step 4: Simplify right side
    194,294.82x = 33,854,279,535.45
  5. Step 5: Solve for x
    x = 33,854,279,535.45/194,294.82
  6. Step 6: Final answer
    x = 174,241.80

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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.