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Finding the Fourth Proportional to 195.99, 294.14 and 168.66

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Solution

The fourth proportional to 195.99, 294.14 and 168.66 is: 253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.99 : 294.14 = 168.66 : x
  2. Step 2: Convert to fraction form
    195.99/294.14 = 168.66/x
  3. Step 3: Cross multiply
    195.99x = 294.14 × 168.66
  4. Step 4: Simplify right side
    195.99x = 49,609.65
  5. Step 5: Solve for x
    x = 49,609.65/195.99
  6. Step 6: Final answer
    x = 253.12

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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.