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Finding the Fourth Proportional to 124.44, 186.67 and 43.27

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Solution

The fourth proportional to 124.44, 186.67 and 43.27 is: 64.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.44 : 186.67 = 43.27 : x
  2. Step 2: Convert to fraction form
    124.44/186.67 = 43.27/x
  3. Step 3: Cross multiply
    124.44x = 186.67 × 43.27
  4. Step 4: Simplify right side
    124.44x = 8,076.80
  5. Step 5: Solve for x
    x = 8,076.80/124.44
  6. Step 6: Final answer
    x = 64.91

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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.