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Finding the Fourth Proportional to 165, 227.70 and 96.04

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Solution

The fourth proportional to 165, 227.70 and 96.04 is: 132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165 : 227.70 = 96.04 : x
  2. Step 2: Convert to fraction form
    165/227.70 = 96.04/x
  3. Step 3: Cross multiply
    165x = 227.70 × 96.04
  4. Step 4: Simplify right side
    165x = 21,868.31
  5. Step 5: Solve for x
    x = 21,868.31/165
  6. Step 6: Final answer
    x = 132.54

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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.