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Finding the Fourth Proportional to 122.06, 182.12 and 110.46

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Solution

The fourth proportional to 122.06, 182.12 and 110.46 is: 164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.06 : 182.12 = 110.46 : x
  2. Step 2: Convert to fraction form
    122.06/182.12 = 110.46/x
  3. Step 3: Cross multiply
    122.06x = 182.12 × 110.46
  4. Step 4: Simplify right side
    122.06x = 20,116.98
  5. Step 5: Solve for x
    x = 20,116.98/122.06
  6. Step 6: Final answer
    x = 164.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.