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Finding the Fourth Proportional to 49,373,212.80, 68,952,436.80 and 49,373,212.80

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Solution

The fourth proportional to 49,373,212.80, 68,952,436.80 and 49,373,212.80 is: 68,952,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373,212.80 : 68,952,436.80 = 49,373,212.80 : x
  2. Step 2: Convert to fraction form
    49,373,212.80/68,952,436.80 = 49,373,212.80/x
  3. Step 3: Cross multiply
    49,373,212.80x = 68,952,436.80 × 49,373,212.80
  4. Step 4: Simplify right side
    49,373,212.80x = 3,404,403,335,204,950.50
  5. Step 5: Solve for x
    x = 3,404,403,335,204,950.50/49,373,212.80
  6. Step 6: Final answer
    x = 68,952,436.80

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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.