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Finding the Fourth Proportional to 193.74, 267.52 and 134.82

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Solution

The fourth proportional to 193.74, 267.52 and 134.82 is: 186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.74 : 267.52 = 134.82 : x
  2. Step 2: Convert to fraction form
    193.74/267.52 = 134.82/x
  3. Step 3: Cross multiply
    193.74x = 267.52 × 134.82
  4. Step 4: Simplify right side
    193.74x = 36,067.05
  5. Step 5: Solve for x
    x = 36,067.05/193.74
  6. Step 6: Final answer
    x = 186.16

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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.