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Finding the Fourth Proportional to 122.96, 184.20 and 60.33

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Solution

The fourth proportional to 122.96, 184.20 and 60.33 is: 90.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.96 : 184.20 = 60.33 : x
  2. Step 2: Convert to fraction form
    122.96/184.20 = 60.33/x
  3. Step 3: Cross multiply
    122.96x = 184.20 × 60.33
  4. Step 4: Simplify right side
    122.96x = 11,112.79
  5. Step 5: Solve for x
    x = 11,112.79/122.96
  6. Step 6: Final answer
    x = 90.38

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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.