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Finding the Fourth Proportional to 221,844,015.20, 332,010,195.60 and 221,844,015.20

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Solution

The fourth proportional to 221,844,015.20, 332,010,195.60 and 221,844,015.20 is: 332,010,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844,015.20 : 332,010,195.60 = 221,844,015.20 : x
  2. Step 2: Convert to fraction form
    221,844,015.20/332,010,195.60 = 221,844,015.20/x
  3. Step 3: Cross multiply
    221,844,015.20x = 332,010,195.60 × 221,844,015.20
  4. Step 4: Simplify right side
    221,844,015.20x = 73,654,474,879,241,376
  5. Step 5: Solve for x
    x = 73,654,474,879,241,376/221,844,015.20
  6. Step 6: Final answer
    x = 332,010,195.60

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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.