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Finding the Fourth Proportional to 193.64, 267.14 and 124.52

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Solution

The fourth proportional to 193.64, 267.14 and 124.52 is: 171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.64 : 267.14 = 124.52 : x
  2. Step 2: Convert to fraction form
    193.64/267.14 = 124.52/x
  3. Step 3: Cross multiply
    193.64x = 267.14 × 124.52
  4. Step 4: Simplify right side
    193.64x = 33,264.27
  5. Step 5: Solve for x
    x = 33,264.27/193.64
  6. Step 6: Final answer
    x = 171.78

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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.