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Finding the Fourth Proportional to 167.00, 230.11 and 117.79

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Solution

The fourth proportional to 167.00, 230.11 and 117.79 is: 162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.00 : 230.11 = 117.79 : x
  2. Step 2: Convert to fraction form
    167.00/230.11 = 117.79/x
  3. Step 3: Cross multiply
    167.00x = 230.11 × 117.79
  4. Step 4: Simplify right side
    167.00x = 27,103.79
  5. Step 5: Solve for x
    x = 27,103.79/167.00
  6. Step 6: Final answer
    x = 162.30

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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.