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Finding the Fourth Proportional to 167.17, 230.45 and 147.59

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Solution

The fourth proportional to 167.17, 230.45 and 147.59 is: 203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.17 : 230.45 = 147.59 : x
  2. Step 2: Convert to fraction form
    167.17/230.45 = 147.59/x
  3. Step 3: Cross multiply
    167.17x = 230.45 × 147.59
  4. Step 4: Simplify right side
    167.17x = 34,013.06
  5. Step 5: Solve for x
    x = 34,013.06/167.17
  6. Step 6: Final answer
    x = 203.47

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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.