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Finding the Fourth Proportional to 54,405,896.40, 81,608,844.60 and 54,405,896.40

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Solution

The fourth proportional to 54,405,896.40, 81,608,844.60 and 54,405,896.40 is: 81,608,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,896.40 : 81,608,844.60 = 54,405,896.40 : x
  2. Step 2: Convert to fraction form
    54,405,896.40/81,608,844.60 = 54,405,896.40/x
  3. Step 3: Cross multiply
    54,405,896.40x = 81,608,844.60 × 54,405,896.40
  4. Step 4: Simplify right side
    54,405,896.40x = 4,440,002,344,631,299
  5. Step 5: Solve for x
    x = 4,440,002,344,631,299/54,405,896.40
  6. Step 6: Final answer
    x = 81,608,844.60

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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.