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Finding the Fourth Proportional to 122.33, 183.14 and 92.02

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Solution

The fourth proportional to 122.33, 183.14 and 92.02 is: 137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.33 : 183.14 = 92.02 : x
  2. Step 2: Convert to fraction form
    122.33/183.14 = 92.02/x
  3. Step 3: Cross multiply
    122.33x = 183.14 × 92.02
  4. Step 4: Simplify right side
    122.33x = 16,852.54
  5. Step 5: Solve for x
    x = 16,852.54/122.33
  6. Step 6: Final answer
    x = 137.76

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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.