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Finding the Fourth Proportional to 367.37, 550.98 and 107.31

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Solution

The fourth proportional to 367.37, 550.98 and 107.31 is: 160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.37 : 550.98 = 107.31 : x
  2. Step 2: Convert to fraction form
    367.37/550.98 = 107.31/x
  3. Step 3: Cross multiply
    367.37x = 550.98 × 107.31
  4. Step 4: Simplify right side
    367.37x = 59,125.66
  5. Step 5: Solve for x
    x = 59,125.66/367.37
  6. Step 6: Final answer
    x = 160.95

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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.