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Finding the Fourth Proportional to 116.57, 174.80 and 44.38

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Solution

The fourth proportional to 116.57, 174.80 and 44.38 is: 66.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.57 : 174.80 = 44.38 : x
  2. Step 2: Convert to fraction form
    116.57/174.80 = 44.38/x
  3. Step 3: Cross multiply
    116.57x = 174.80 × 44.38
  4. Step 4: Simplify right side
    116.57x = 7,756.53
  5. Step 5: Solve for x
    x = 7,756.53/116.57
  6. Step 6: Final answer
    x = 66.54

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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.