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Finding the Fourth Proportional to 122.83, 184.23 and 50.65

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Solution

The fourth proportional to 122.83, 184.23 and 50.65 is: 75.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.83 : 184.23 = 50.65 : x
  2. Step 2: Convert to fraction form
    122.83/184.23 = 50.65/x
  3. Step 3: Cross multiply
    122.83x = 184.23 × 50.65
  4. Step 4: Simplify right side
    122.83x = 9,331.25
  5. Step 5: Solve for x
    x = 9,331.25/122.83
  6. Step 6: Final answer
    x = 75.97

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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.