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Finding the Fourth Proportional to 122.94, 184.41 and 36.27

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Solution

The fourth proportional to 122.94, 184.41 and 36.27 is: 54.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.94 : 184.41 = 36.27 : x
  2. Step 2: Convert to fraction form
    122.94/184.41 = 36.27/x
  3. Step 3: Cross multiply
    122.94x = 184.41 × 36.27
  4. Step 4: Simplify right side
    122.94x = 6,688.55
  5. Step 5: Solve for x
    x = 6,688.55/122.94
  6. Step 6: Final answer
    x = 54.41

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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.