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Finding the Fourth Proportional to 116.25, 174.41 and 51.27

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Solution

The fourth proportional to 116.25, 174.41 and 51.27 is: 76.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.25 : 174.41 = 51.27 : x
  2. Step 2: Convert to fraction form
    116.25/174.41 = 51.27/x
  3. Step 3: Cross multiply
    116.25x = 174.41 × 51.27
  4. Step 4: Simplify right side
    116.25x = 8,942.00
  5. Step 5: Solve for x
    x = 8,942.00/116.25
  6. Step 6: Final answer
    x = 76.92

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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.