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Finding the Fourth Proportional to 69,338,469.80, 104,007,704.70 and 33,506,661.80

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Solution

The fourth proportional to 69,338,469.80, 104,007,704.70 and 33,506,661.80 is: 50,259,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338,469.80 : 104,007,704.70 = 33,506,661.80 : x
  2. Step 2: Convert to fraction form
    69,338,469.80/104,007,704.70 = 33,506,661.80/x
  3. Step 3: Cross multiply
    69,338,469.80x = 104,007,704.70 × 33,506,661.80
  4. Step 4: Simplify right side
    69,338,469.80x = 3,484,950,985,977,170.50
  5. Step 5: Solve for x
    x = 3,484,950,985,977,170.50/69,338,469.80
  6. Step 6: Final answer
    x = 50,259,992.70

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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.