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Finding the Fourth Proportional to 339,969,446.10, 509,954,169.15 and 109,961,781.30

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Solution

The fourth proportional to 339,969,446.10, 509,954,169.15 and 109,961,781.30 is: 164,942,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,969,446.10 : 509,954,169.15 = 109,961,781.30 : x
  2. Step 2: Convert to fraction form
    339,969,446.10/509,954,169.15 = 109,961,781.30/x
  3. Step 3: Cross multiply
    339,969,446.10x = 509,954,169.15 × 109,961,781.30
  4. Step 4: Simplify right side
    339,969,446.10x = 56,075,468,821,095,504
  5. Step 5: Solve for x
    x = 56,075,468,821,095,504/339,969,446.10
  6. Step 6: Final answer
    x = 164,942,671.95

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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.