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Finding the Fourth Proportional to 192,019,408.17, 264,987,442.80 and 103,913,382.57

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Solution

The fourth proportional to 192,019,408.17, 264,987,442.80 and 103,913,382.57 is: 143,400,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019,408.17 : 264,987,442.80 = 103,913,382.57 : x
  2. Step 2: Convert to fraction form
    192,019,408.17/264,987,442.80 = 103,913,382.57/x
  3. Step 3: Cross multiply
    192,019,408.17x = 264,987,442.80 × 103,913,382.57
  4. Step 4: Simplify right side
    192,019,408.17x = 27,535,741,519,922,392
  5. Step 5: Solve for x
    x = 27,535,741,519,922,392/192,019,408.17
  6. Step 6: Final answer
    x = 143,400,824.86

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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.