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Finding the Fourth Proportional to 237.98, 357.09 and 116.18

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Solution

The fourth proportional to 237.98, 357.09 and 116.18 is: 174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.98 : 357.09 = 116.18 : x
  2. Step 2: Convert to fraction form
    237.98/357.09 = 116.18/x
  3. Step 3: Cross multiply
    237.98x = 357.09 × 116.18
  4. Step 4: Simplify right side
    237.98x = 41,486.27
  5. Step 5: Solve for x
    x = 41,486.27/237.98
  6. Step 6: Final answer
    x = 174.32

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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.