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Finding the Fourth Proportional to 237.98, 357.30 and 169.94

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Solution

The fourth proportional to 237.98, 357.30 and 169.94 is: 255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.98 : 357.30 = 169.94 : x
  2. Step 2: Convert to fraction form
    237.98/357.30 = 169.94/x
  3. Step 3: Cross multiply
    237.98x = 357.30 × 169.94
  4. Step 4: Simplify right side
    237.98x = 60,719.56
  5. Step 5: Solve for x
    x = 60,719.56/237.98
  6. Step 6: Final answer
    x = 255.15

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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.