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Finding the Fourth Proportional to 239,040,046.20, 358,560,069.30 and 239,040,046.20

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Solution

The fourth proportional to 239,040,046.20, 358,560,069.30 and 239,040,046.20 is: 358,560,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,040,046.20 : 358,560,069.30 = 239,040,046.20 : x
  2. Step 2: Convert to fraction form
    239,040,046.20/358,560,069.30 = 239,040,046.20/x
  3. Step 3: Cross multiply
    239,040,046.20x = 358,560,069.30 × 239,040,046.20
  4. Step 4: Simplify right side
    239,040,046.20x = 85,710,215,530,947,200
  5. Step 5: Solve for x
    x = 85,710,215,530,947,200/239,040,046.20
  6. Step 6: Final answer
    x = 358,560,069.30

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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.