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Finding the Fourth Proportional to 116.30, 174.47 and 44.17

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Solution

The fourth proportional to 116.30, 174.47 and 44.17 is: 66.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.30 : 174.47 = 44.17 : x
  2. Step 2: Convert to fraction form
    116.30/174.47 = 44.17/x
  3. Step 3: Cross multiply
    116.30x = 174.47 × 44.17
  4. Step 4: Simplify right side
    116.30x = 7,705.68
  5. Step 5: Solve for x
    x = 7,705.68/116.30
  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.