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Finding the Fourth Proportional to 110.92, 166.50 and 94.02

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Solution

The fourth proportional to 110.92, 166.50 and 94.02 is: 141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.92 : 166.50 = 94.02 : x
  2. Step 2: Convert to fraction form
    110.92/166.50 = 94.02/x
  3. Step 3: Cross multiply
    110.92x = 166.50 × 94.02
  4. Step 4: Simplify right side
    110.92x = 15,654.33
  5. Step 5: Solve for x
    x = 15,654.33/110.92
  6. Step 6: Final answer
    x = 141.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.