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Finding the Fourth Proportional to 245.67, 367.65 and 168.27

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Solution

The fourth proportional to 245.67, 367.65 and 168.27 is: 251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.67 : 367.65 = 168.27 : x
  2. Step 2: Convert to fraction form
    245.67/367.65 = 168.27/x
  3. Step 3: Cross multiply
    245.67x = 367.65 × 168.27
  4. Step 4: Simplify right side
    245.67x = 61,864.47
  5. Step 5: Solve for x
    x = 61,864.47/245.67
  6. Step 6: Final answer
    x = 251.82

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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.