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Finding the Fourth Proportional to 43,661,896.20, 61,216,234.20 and 43,661,896.20

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Solution

The fourth proportional to 43,661,896.20, 61,216,234.20 and 43,661,896.20 is: 61,216,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,661,896.20 : 61,216,234.20 = 43,661,896.20 : x
  2. Step 2: Convert to fraction form
    43,661,896.20/61,216,234.20 = 43,661,896.20/x
  3. Step 3: Cross multiply
    43,661,896.20x = 61,216,234.20 × 43,661,896.20
  4. Step 4: Simplify right side
    43,661,896.20x = 2,672,816,863,395,290.50
  5. Step 5: Solve for x
    x = 2,672,816,863,395,290.50/43,661,896.20
  6. Step 6: Final answer
    x = 61,216,234.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.