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Finding the Fourth Proportional to 167.05, 230.52 and 93.37

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Solution

The fourth proportional to 167.05, 230.52 and 93.37 is: 128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.05 : 230.52 = 93.37 : x
  2. Step 2: Convert to fraction form
    167.05/230.52 = 93.37/x
  3. Step 3: Cross multiply
    167.05x = 230.52 × 93.37
  4. Step 4: Simplify right side
    167.05x = 21,523.65
  5. Step 5: Solve for x
    x = 21,523.65/167.05
  6. Step 6: Final answer
    x = 128.85

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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.