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Finding the Fourth Proportional to 194.01, 267.77 and 124.13

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Solution

The fourth proportional to 194.01, 267.77 and 124.13 is: 171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.01 : 267.77 = 124.13 : x
  2. Step 2: Convert to fraction form
    194.01/267.77 = 124.13/x
  3. Step 3: Cross multiply
    194.01x = 267.77 × 124.13
  4. Step 4: Simplify right side
    194.01x = 33,236.33
  5. Step 5: Solve for x
    x = 33,236.33/194.01
  6. Step 6: Final answer
    x = 171.31

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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.