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Finding the Fourth Proportional to 195.25, 292.56 and 118.03

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Solution

The fourth proportional to 195.25, 292.56 and 118.03 is: 176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.25 : 292.56 = 118.03 : x
  2. Step 2: Convert to fraction form
    195.25/292.56 = 118.03/x
  3. Step 3: Cross multiply
    195.25x = 292.56 × 118.03
  4. Step 4: Simplify right side
    195.25x = 34,530.86
  5. Step 5: Solve for x
    x = 34,530.86/195.25
  6. Step 6: Final answer
    x = 176.85

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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.