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Finding the Fourth Proportional to 75,795,762.80, 113,481,067.80 and 73,669,998.80

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Solution

The fourth proportional to 75,795,762.80, 113,481,067.80 and 73,669,998.80 is: 110,298,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795,762.80 : 113,481,067.80 = 73,669,998.80 : x
  2. Step 2: Convert to fraction form
    75,795,762.80/113,481,067.80 = 73,669,998.80/x
  3. Step 3: Cross multiply
    75,795,762.80x = 113,481,067.80 × 73,669,998.80
  4. Step 4: Simplify right side
    75,795,762.80x = 8,360,150,128,648,718
  5. Step 5: Solve for x
    x = 8,360,150,128,648,718/75,795,762.80
  6. Step 6: Final answer
    x = 110,298,383.71

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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.