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Finding the Fourth Proportional to 116.26, 174.52 and 98.44

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Solution

The fourth proportional to 116.26, 174.52 and 98.44 is: 147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.26 : 174.52 = 98.44 : x
  2. Step 2: Convert to fraction form
    116.26/174.52 = 98.44/x
  3. Step 3: Cross multiply
    116.26x = 174.52 × 98.44
  4. Step 4: Simplify right side
    116.26x = 17,179.75
  5. Step 5: Solve for x
    x = 17,179.75/116.26
  6. Step 6: Final answer
    x = 147.77

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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.