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Finding the Fourth Proportional to 247,772.88, 371,704.12 and 90,222.48

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Solution

The fourth proportional to 247,772.88, 371,704.12 and 90,222.48 is: 135,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,772.88 : 371,704.12 = 90,222.48 : x
  2. Step 2: Convert to fraction form
    247,772.88/371,704.12 = 90,222.48/x
  3. Step 3: Cross multiply
    247,772.88x = 371,704.12 × 90,222.48
  4. Step 4: Simplify right side
    247,772.88x = 33,536,067,532.62
  5. Step 5: Solve for x
    x = 33,536,067,532.62/247,772.88
  6. Step 6: Final answer
    x = 135,350.03

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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.