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Finding the Fourth Proportional to 111.41, 167.18 and 63.32

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Solution

The fourth proportional to 111.41, 167.18 and 63.32 is: 95.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.41 : 167.18 = 63.32 : x
  2. Step 2: Convert to fraction form
    111.41/167.18 = 63.32/x
  3. Step 3: Cross multiply
    111.41x = 167.18 × 63.32
  4. Step 4: Simplify right side
    111.41x = 10,585.84
  5. Step 5: Solve for x
    x = 10,585.84/111.41
  6. Step 6: Final answer
    x = 95.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.