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Finding the Fourth Proportional to 322,119.52, 483,069.92 and 122,391.92

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Solution

The fourth proportional to 322,119.52, 483,069.92 and 122,391.92 is: 183,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,119.52 : 483,069.92 = 122,391.92 : x
  2. Step 2: Convert to fraction form
    322,119.52/483,069.92 = 122,391.92/x
  3. Step 3: Cross multiply
    322,119.52x = 483,069.92 × 122,391.92
  4. Step 4: Simplify right side
    322,119.52x = 59,123,855,003.05
  5. Step 5: Solve for x
    x = 59,123,855,003.05/322,119.52
  6. Step 6: Final answer
    x = 183,546.33

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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.