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Finding the Fourth Proportional to 244.09, 365.79 and 122.43

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Solution

The fourth proportional to 244.09, 365.79 and 122.43 is: 183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.09 : 365.79 = 122.43 : x
  2. Step 2: Convert to fraction form
    244.09/365.79 = 122.43/x
  3. Step 3: Cross multiply
    244.09x = 365.79 × 122.43
  4. Step 4: Simplify right side
    244.09x = 44,783.67
  5. Step 5: Solve for x
    x = 44,783.67/244.09
  6. Step 6: Final answer
    x = 183.48

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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.