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Finding the Fourth Proportional to 167.14, 230.69 and 93.49

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Solution

The fourth proportional to 167.14, 230.69 and 93.49 is: 129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.14 : 230.69 = 93.49 : x
  2. Step 2: Convert to fraction form
    167.14/230.69 = 93.49/x
  3. Step 3: Cross multiply
    167.14x = 230.69 × 93.49
  4. Step 4: Simplify right side
    167.14x = 21,566.74
  5. Step 5: Solve for x
    x = 21,566.74/167.14
  6. Step 6: Final answer
    x = 129.03

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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.