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Finding the Fourth Proportional to 221,722.20, 332,583.30 and 150,863.40

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Solution

The fourth proportional to 221,722.20, 332,583.30 and 150,863.40 is: 226,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,722.20 : 332,583.30 = 150,863.40 : x
  2. Step 2: Convert to fraction form
    221,722.20/332,583.30 = 150,863.40/x
  3. Step 3: Cross multiply
    221,722.20x = 332,583.30 × 150,863.40
  4. Step 4: Simplify right side
    221,722.20x = 50,174,647,421.22
  5. Step 5: Solve for x
    x = 50,174,647,421.22/221,722.20
  6. Step 6: Final answer
    x = 226,295.10

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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.