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Finding the Fourth Proportional to 68,846.94, 103,270.41 and 22,132.62

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Solution

The fourth proportional to 68,846.94, 103,270.41 and 22,132.62 is: 33,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,846.94 : 103,270.41 = 22,132.62 : x
  2. Step 2: Convert to fraction form
    68,846.94/103,270.41 = 22,132.62/x
  3. Step 3: Cross multiply
    68,846.94x = 103,270.41 × 22,132.62
  4. Step 4: Simplify right side
    68,846.94x = 2,285,644,741.77
  5. Step 5: Solve for x
    x = 2,285,644,741.77/68,846.94
  6. Step 6: Final answer
    x = 33,198.93

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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.