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Finding the Fourth Proportional to 167.33, 230.90 and 92.64

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Solution

The fourth proportional to 167.33, 230.90 and 92.64 is: 127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.33 : 230.90 = 92.64 : x
  2. Step 2: Convert to fraction form
    167.33/230.90 = 92.64/x
  3. Step 3: Cross multiply
    167.33x = 230.90 × 92.64
  4. Step 4: Simplify right side
    167.33x = 21,390.20
  5. Step 5: Solve for x
    x = 21,390.20/167.33
  6. Step 6: Final answer
    x = 127.83

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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.