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Finding the Fourth Proportional to 195.12, 292.68 and 73.36

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Solution

The fourth proportional to 195.12, 292.68 and 73.36 is: 110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.12 : 292.68 = 73.36 : x
  2. Step 2: Convert to fraction form
    195.12/292.68 = 73.36/x
  3. Step 3: Cross multiply
    195.12x = 292.68 × 73.36
  4. Step 4: Simplify right side
    195.12x = 21,470.27
  5. Step 5: Solve for x
    x = 21,470.27/195.12
  6. Step 6: Final answer
    x = 110.04

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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.