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Finding the Fourth Proportional to 116.27, 174.43 and 35.12

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Solution

The fourth proportional to 116.27, 174.43 and 35.12 is: 52.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.27 : 174.43 = 35.12 : x
  2. Step 2: Convert to fraction form
    116.27/174.43 = 35.12/x
  3. Step 3: Cross multiply
    116.27x = 174.43 × 35.12
  4. Step 4: Simplify right side
    116.27x = 6,125.81
  5. Step 5: Solve for x
    x = 6,125.81/116.27
  6. Step 6: Final answer
    x = 52.68

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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.