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Finding the Fourth Proportional to 116.47, 174.77 and 44.38

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Solution

The fourth proportional to 116.47, 174.77 and 44.38 is: 66.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.47 : 174.77 = 44.38 : x
  2. Step 2: Convert to fraction form
    116.47/174.77 = 44.38/x
  3. Step 3: Cross multiply
    116.47x = 174.77 × 44.38
  4. Step 4: Simplify right side
    116.47x = 7,756.29
  5. Step 5: Solve for x
    x = 7,756.29/116.47
  6. Step 6: Final answer
    x = 66.59

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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.