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Finding the Fourth Proportional to 238.75, 357.82 and 116.94

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Solution

The fourth proportional to 238.75, 357.82 and 116.94 is: 175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.75 : 357.82 = 116.94 : x
  2. Step 2: Convert to fraction form
    238.75/357.82 = 116.94/x
  3. Step 3: Cross multiply
    238.75x = 357.82 × 116.94
  4. Step 4: Simplify right side
    238.75x = 41,844.52
  5. Step 5: Solve for x
    x = 41,844.52/238.75
  6. Step 6: Final answer
    x = 175.27

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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.