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Finding the Fourth Proportional to 116.39, 174.63 and 44.25

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Solution

The fourth proportional to 116.39, 174.63 and 44.25 is: 66.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.39 : 174.63 = 44.25 : x
  2. Step 2: Convert to fraction form
    116.39/174.63 = 44.25/x
  3. Step 3: Cross multiply
    116.39x = 174.63 × 44.25
  4. Step 4: Simplify right side
    116.39x = 7,727.38
  5. Step 5: Solve for x
    x = 7,727.38/116.39
  6. Step 6: Final answer
    x = 66.39

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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.