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Finding the Fourth Proportional to 68,558,169.75, 102,836,063.52 and 27,616,562.25

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Solution

The fourth proportional to 68,558,169.75, 102,836,063.52 and 27,616,562.25 is: 41,424,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558,169.75 : 102,836,063.52 = 27,616,562.25 : x
  2. Step 2: Convert to fraction form
    68,558,169.75/102,836,063.52 = 27,616,562.25/x
  3. Step 3: Cross multiply
    68,558,169.75x = 102,836,063.52 × 27,616,562.25
  4. Step 4: Simplify right side
    68,558,169.75x = 2,839,978,549,745,034
  5. Step 5: Solve for x
    x = 2,839,978,549,745,034/68,558,169.75
  6. Step 6: Final answer
    x = 41,424,363.57

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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.