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Finding the Fourth Proportional to 195.91, 293.99 and 188.43

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Solution

The fourth proportional to 195.91, 293.99 and 188.43 is: 282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.91 : 293.99 = 188.43 : x
  2. Step 2: Convert to fraction form
    195.91/293.99 = 188.43/x
  3. Step 3: Cross multiply
    195.91x = 293.99 × 188.43
  4. Step 4: Simplify right side
    195.91x = 55,396.54
  5. Step 5: Solve for x
    x = 55,396.54/195.91
  6. Step 6: Final answer
    x = 282.77

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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.