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Finding the Fourth Proportional to 167.25, 230.73 and 118.16

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Solution

The fourth proportional to 167.25, 230.73 and 118.16 is: 163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.25 : 230.73 = 118.16 : x
  2. Step 2: Convert to fraction form
    167.25/230.73 = 118.16/x
  3. Step 3: Cross multiply
    167.25x = 230.73 × 118.16
  4. Step 4: Simplify right side
    167.25x = 27,261.90
  5. Step 5: Solve for x
    x = 27,261.90/167.25
  6. Step 6: Final answer
    x = 163.01

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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.