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Finding the Fourth Proportional to 166.02, 229.10 and 92.34

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Solution

The fourth proportional to 166.02, 229.10 and 92.34 is: 127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.02 : 229.10 = 92.34 : x
  2. Step 2: Convert to fraction form
    166.02/229.10 = 92.34/x
  3. Step 3: Cross multiply
    166.02x = 229.10 × 92.34
  4. Step 4: Simplify right side
    166.02x = 21,153.49
  5. Step 5: Solve for x
    x = 21,153.49/166.02
  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.