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Finding the Fourth Proportional to 195.28, 292.11 and 162.52

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Solution

The fourth proportional to 195.28, 292.11 and 162.52 is: 243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.28 : 292.11 = 162.52 : x
  2. Step 2: Convert to fraction form
    195.28/292.11 = 162.52/x
  3. Step 3: Cross multiply
    195.28x = 292.11 × 162.52
  4. Step 4: Simplify right side
    195.28x = 47,473.72
  5. Step 5: Solve for x
    x = 47,473.72/195.28
  6. Step 6: Final answer
    x = 243.11

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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.