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Finding the Fourth Proportional to 68,073,846.21, 93,941,793.87 and 37,134,015.48

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Solution

The fourth proportional to 68,073,846.21, 93,941,793.87 and 37,134,015.48 is: 51,244,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073,846.21 : 93,941,793.87 = 37,134,015.48 : x
  2. Step 2: Convert to fraction form
    68,073,846.21/93,941,793.87 = 37,134,015.48/x
  3. Step 3: Cross multiply
    68,073,846.21x = 93,941,793.87 × 37,134,015.48
  4. Step 4: Simplify right side
    68,073,846.21x = 3,488,436,027,787,549
  5. Step 5: Solve for x
    x = 3,488,436,027,787,549/68,073,846.21
  6. Step 6: Final answer
    x = 51,244,879.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.