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Finding the Fourth Proportional to 123.44, 184.77 and 108.41

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Solution

The fourth proportional to 123.44, 184.77 and 108.41 is: 162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.44 : 184.77 = 108.41 : x
  2. Step 2: Convert to fraction form
    123.44/184.77 = 108.41/x
  3. Step 3: Cross multiply
    123.44x = 184.77 × 108.41
  4. Step 4: Simplify right side
    123.44x = 20,029.99
  5. Step 5: Solve for x
    x = 20,029.99/123.44
  6. Step 6: Final answer
    x = 162.27

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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.