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Finding the Fourth Proportional to 238.12, 356.88 and 116.11

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Solution

The fourth proportional to 238.12, 356.88 and 116.11 is: 174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.12 : 356.88 = 116.11 : x
  2. Step 2: Convert to fraction form
    238.12/356.88 = 116.11/x
  3. Step 3: Cross multiply
    238.12x = 356.88 × 116.11
  4. Step 4: Simplify right side
    238.12x = 41,437.34
  5. Step 5: Solve for x
    x = 41,437.34/238.12
  6. Step 6: Final answer
    x = 174.02

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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.