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Finding the Fourth Proportional to 122.85, 184.03 and 110.07

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Solution

The fourth proportional to 122.85, 184.03 and 110.07 is: 164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.85 : 184.03 = 110.07 : x
  2. Step 2: Convert to fraction form
    122.85/184.03 = 110.07/x
  3. Step 3: Cross multiply
    122.85x = 184.03 × 110.07
  4. Step 4: Simplify right side
    122.85x = 20,255.91
  5. Step 5: Solve for x
    x = 20,255.91/122.85
  6. Step 6: Final answer
    x = 164.88

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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.