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Finding the Fourth Proportional to 221,425,204.20, 332,137,806.30 and 221,425,204.20

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Solution

The fourth proportional to 221,425,204.20, 332,137,806.30 and 221,425,204.20 is: 332,137,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,425,204.20 : 332,137,806.30 = 221,425,204.20 : x
  2. Step 2: Convert to fraction form
    221,425,204.20/332,137,806.30 = 221,425,204.20/x
  3. Step 3: Cross multiply
    221,425,204.20x = 332,137,806.30 × 221,425,204.20
  4. Step 4: Simplify right side
    221,425,204.20x = 73,543,681,582,517,552
  5. Step 5: Solve for x
    x = 73,543,681,582,517,552/221,425,204.20
  6. Step 6: Final answer
    x = 332,137,806.30

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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.