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Finding the Fourth Proportional to 116.89, 175.42 and 44.75

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Solution

The fourth proportional to 116.89, 175.42 and 44.75 is: 67.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.89 : 175.42 = 44.75 : x
  2. Step 2: Convert to fraction form
    116.89/175.42 = 44.75/x
  3. Step 3: Cross multiply
    116.89x = 175.42 × 44.75
  4. Step 4: Simplify right side
    116.89x = 7,850.29
  5. Step 5: Solve for x
    x = 7,850.29/116.89
  6. Step 6: Final answer
    x = 67.16

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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.