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Finding the Fourth Proportional to 116.20, 174.25 and 44.07

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Solution

The fourth proportional to 116.20, 174.25 and 44.07 is: 66.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.20 : 174.25 = 44.07 : x
  2. Step 2: Convert to fraction form
    116.20/174.25 = 44.07/x
  3. Step 3: Cross multiply
    116.20x = 174.25 × 44.07
  4. Step 4: Simplify right side
    116.20x = 7,679.20
  5. Step 5: Solve for x
    x = 7,679.20/116.20
  6. Step 6: Final answer
    x = 66.09

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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.