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Finding the Fourth Proportional to 166.01, 229.09 and 92.33

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Solution

The fourth proportional to 166.01, 229.09 and 92.33 is: 127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.01 : 229.09 = 92.33 : x
  2. Step 2: Convert to fraction form
    166.01/229.09 = 92.33/x
  3. Step 3: Cross multiply
    166.01x = 229.09 × 92.33
  4. Step 4: Simplify right side
    166.01x = 21,152.28
  5. Step 5: Solve for x
    x = 21,152.28/166.01
  6. Step 6: Final answer
    x = 127.42

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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.