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Finding the Fourth Proportional to 68,792,133.70, 103,188,200.55 and 27,851,493.70

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Solution

The fourth proportional to 68,792,133.70, 103,188,200.55 and 27,851,493.70 is: 41,777,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792,133.70 : 103,188,200.55 = 27,851,493.70 : x
  2. Step 2: Convert to fraction form
    68,792,133.70/103,188,200.55 = 27,851,493.70/x
  3. Step 3: Cross multiply
    68,792,133.70x = 103,188,200.55 × 27,851,493.70
  4. Step 4: Simplify right side
    68,792,133.70x = 2,873,945,517,532,661.50
  5. Step 5: Solve for x
    x = 2,873,945,517,532,661.50/68,792,133.70
  6. Step 6: Final answer
    x = 41,777,240.55

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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.