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Finding the Fourth Proportional to 122.37, 184.42 and 110.20

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Solution

The fourth proportional to 122.37, 184.42 and 110.20 is: 166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.37 : 184.42 = 110.20 : x
  2. Step 2: Convert to fraction form
    122.37/184.42 = 110.20/x
  3. Step 3: Cross multiply
    122.37x = 184.42 × 110.20
  4. Step 4: Simplify right side
    122.37x = 20,322.58
  5. Step 5: Solve for x
    x = 20,322.58/122.37
  6. Step 6: Final answer
    x = 166.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.