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Finding the Fourth Proportional to 193.94, 267.67 and 116.31

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Solution

The fourth proportional to 193.94, 267.67 and 116.31 is: 160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.94 : 267.67 = 116.31 : x
  2. Step 2: Convert to fraction form
    193.94/267.67 = 116.31/x
  3. Step 3: Cross multiply
    193.94x = 267.67 × 116.31
  4. Step 4: Simplify right side
    193.94x = 31,132.70
  5. Step 5: Solve for x
    x = 31,132.70/193.94
  6. Step 6: Final answer
    x = 160.53

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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.