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Finding the Fourth Proportional to 195.12, 292.60 and 73.44

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Solution

The fourth proportional to 195.12, 292.60 and 73.44 is: 110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.12 : 292.60 = 73.44 : x
  2. Step 2: Convert to fraction form
    195.12/292.60 = 73.44/x
  3. Step 3: Cross multiply
    195.12x = 292.60 × 73.44
  4. Step 4: Simplify right side
    195.12x = 21,488.54
  5. Step 5: Solve for x
    x = 21,488.54/195.12
  6. Step 6: Final answer
    x = 110.13

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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.