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Finding the Fourth Proportional to 321,993,771.80, 483,067,716.60 and 103,664,522.98

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Solution

The fourth proportional to 321,993,771.80, 483,067,716.60 and 103,664,522.98 is: 155,521,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,993,771.80 : 483,067,716.60 = 103,664,522.98 : x
  2. Step 2: Convert to fraction form
    321,993,771.80/483,067,716.60 = 103,664,522.98/x
  3. Step 3: Cross multiply
    321,993,771.80x = 483,067,716.60 × 103,664,522.98
  4. Step 4: Simplify right side
    321,993,771.80x = 50,076,984,405,961,488
  5. Step 5: Solve for x
    x = 50,076,984,405,961,488/321,993,771.80
  6. Step 6: Final answer
    x = 155,521,593.25

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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.