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Finding the Fourth Proportional to 195.70, 292.79 and 168.06

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Solution

The fourth proportional to 195.70, 292.79 and 168.06 is: 251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.70 : 292.79 = 168.06 : x
  2. Step 2: Convert to fraction form
    195.70/292.79 = 168.06/x
  3. Step 3: Cross multiply
    195.70x = 292.79 × 168.06
  4. Step 4: Simplify right side
    195.70x = 49,206.29
  5. Step 5: Solve for x
    x = 49,206.29/195.70
  6. Step 6: Final answer
    x = 251.44

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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.