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Finding the Fourth Proportional to 367.56, 551.12 and 162.02

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Solution

The fourth proportional to 367.56, 551.12 and 162.02 is: 242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.56 : 551.12 = 162.02 : x
  2. Step 2: Convert to fraction form
    367.56/551.12 = 162.02/x
  3. Step 3: Cross multiply
    367.56x = 551.12 × 162.02
  4. Step 4: Simplify right side
    367.56x = 89,292.46
  5. Step 5: Solve for x
    x = 89,292.46/367.56
  6. Step 6: Final answer
    x = 242.93

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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.