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Finding the Fourth Proportional to 116.34, 174.48 and 44.18

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Solution

The fourth proportional to 116.34, 174.48 and 44.18 is: 66.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.34 : 174.48 = 44.18 : x
  2. Step 2: Convert to fraction form
    116.34/174.48 = 44.18/x
  3. Step 3: Cross multiply
    116.34x = 174.48 × 44.18
  4. Step 4: Simplify right side
    116.34x = 7,708.53
  5. Step 5: Solve for x
    x = 7,708.53/116.34
  6. Step 6: Final answer
    x = 66.26

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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.