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Finding the Fourth Proportional to 167.07, 230.60 and 97.14

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Solution

The fourth proportional to 167.07, 230.60 and 97.14 is: 134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.07 : 230.60 = 97.14 : x
  2. Step 2: Convert to fraction form
    167.07/230.60 = 97.14/x
  3. Step 3: Cross multiply
    167.07x = 230.60 × 97.14
  4. Step 4: Simplify right side
    167.07x = 22,400.48
  5. Step 5: Solve for x
    x = 22,400.48/167.07
  6. Step 6: Final answer
    x = 134.08

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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.