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Finding the Fourth Proportional to 221,708.20, 332,562.30 and 150,849.40

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Solution

The fourth proportional to 221,708.20, 332,562.30 and 150,849.40 is: 226,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,708.20 : 332,562.30 = 150,849.40 : x
  2. Step 2: Convert to fraction form
    221,708.20/332,562.30 = 150,849.40/x
  3. Step 3: Cross multiply
    221,708.20x = 332,562.30 × 150,849.40
  4. Step 4: Simplify right side
    221,708.20x = 50,166,823,417.62
  5. Step 5: Solve for x
    x = 50,166,823,417.62/221,708.20
  6. Step 6: Final answer
    x = 226,274.10

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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.