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Finding the Fourth Proportional to 247,810.62, 371,716.22 and 67,897.57

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Solution

The fourth proportional to 247,810.62, 371,716.22 and 67,897.57 is: 101,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,810.62 : 371,716.22 = 67,897.57 : x
  2. Step 2: Convert to fraction form
    247,810.62/371,716.22 = 67,897.57/x
  3. Step 3: Cross multiply
    247,810.62x = 371,716.22 × 67,897.57
  4. Step 4: Simplify right side
    247,810.62x = 25,238,628,067.59
  5. Step 5: Solve for x
    x = 25,238,628,067.59/247,810.62
  6. Step 6: Final answer
    x = 101,846.43

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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.