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Finding the Fourth Proportional to 167.63, 230.84 and 167.12

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Solution

The fourth proportional to 167.63, 230.84 and 167.12 is: 230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.63 : 230.84 = 167.12 : x
  2. Step 2: Convert to fraction form
    167.63/230.84 = 167.12/x
  3. Step 3: Cross multiply
    167.63x = 230.84 × 167.12
  4. Step 4: Simplify right side
    167.63x = 38,575.99
  5. Step 5: Solve for x
    x = 38,575.99/167.63
  6. Step 6: Final answer
    x = 230.13

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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.