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Finding the Fourth Proportional to 195.03, 291.96 and 122.67

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Solution

The fourth proportional to 195.03, 291.96 and 122.67 is: 183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.03 : 291.96 = 122.67 : x
  2. Step 2: Convert to fraction form
    195.03/291.96 = 122.67/x
  3. Step 3: Cross multiply
    195.03x = 291.96 × 122.67
  4. Step 4: Simplify right side
    195.03x = 35,814.73
  5. Step 5: Solve for x
    x = 35,814.73/195.03
  6. Step 6: Final answer
    x = 183.64

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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.