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Finding the Fourth Proportional to 194.04, 267.82 and 124.92

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Solution

The fourth proportional to 194.04, 267.82 and 124.92 is: 172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.04 : 267.82 = 124.92 : x
  2. Step 2: Convert to fraction form
    194.04/267.82 = 124.92/x
  3. Step 3: Cross multiply
    194.04x = 267.82 × 124.92
  4. Step 4: Simplify right side
    194.04x = 33,456.07
  5. Step 5: Solve for x
    x = 33,456.07/194.04
  6. Step 6: Final answer
    x = 172.42

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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.