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Finding the Fourth Proportional to 367.02, 550.44 and 161.64

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Solution

The fourth proportional to 367.02, 550.44 and 161.64 is: 242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.02 : 550.44 = 161.64 : x
  2. Step 2: Convert to fraction form
    367.02/550.44 = 161.64/x
  3. Step 3: Cross multiply
    367.02x = 550.44 × 161.64
  4. Step 4: Simplify right side
    367.02x = 88,973.12
  5. Step 5: Solve for x
    x = 88,973.12/367.02
  6. Step 6: Final answer
    x = 242.42

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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.