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Finding the Fourth Proportional to 238.62, 357.94 and 94.44

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Solution

The fourth proportional to 238.62, 357.94 and 94.44 is: 141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.62 : 357.94 = 94.44 : x
  2. Step 2: Convert to fraction form
    238.62/357.94 = 94.44/x
  3. Step 3: Cross multiply
    238.62x = 357.94 × 94.44
  4. Step 4: Simplify right side
    238.62x = 33,803.85
  5. Step 5: Solve for x
    x = 33,803.85/238.62
  6. Step 6: Final answer
    x = 141.66

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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.