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Finding the Fourth Proportional to 185.29, 255.52 and 167.06

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Solution

The fourth proportional to 185.29, 255.52 and 167.06 is: 230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.29 : 255.52 = 167.06 : x
  2. Step 2: Convert to fraction form
    185.29/255.52 = 167.06/x
  3. Step 3: Cross multiply
    185.29x = 255.52 × 167.06
  4. Step 4: Simplify right side
    185.29x = 42,687.17
  5. Step 5: Solve for x
    x = 42,687.17/185.29
  6. Step 6: Final answer
    x = 230.38

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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.