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Finding the Fourth Proportional to 367.41, 550.92 and 123.84

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Solution

The fourth proportional to 367.41, 550.92 and 123.84 is: 185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.41 : 550.92 = 123.84 : x
  2. Step 2: Convert to fraction form
    367.41/550.92 = 123.84/x
  3. Step 3: Cross multiply
    367.41x = 550.92 × 123.84
  4. Step 4: Simplify right side
    367.41x = 68,225.93
  5. Step 5: Solve for x
    x = 68,225.93/367.41
  6. Step 6: Final answer
    x = 185.69

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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.