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Finding the Fourth Proportional to 166.14, 229.25 and 92.46

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Solution

The fourth proportional to 166.14, 229.25 and 92.46 is: 127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.14 : 229.25 = 92.46 : x
  2. Step 2: Convert to fraction form
    166.14/229.25 = 92.46/x
  3. Step 3: Cross multiply
    166.14x = 229.25 × 92.46
  4. Step 4: Simplify right side
    166.14x = 21,195.13
  5. Step 5: Solve for x
    x = 21,195.13/166.14
  6. Step 6: Final answer
    x = 127.57

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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.