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Finding the Fourth Proportional to 68,843.94, 103,265.91 and 22,129.62

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Solution

The fourth proportional to 68,843.94, 103,265.91 and 22,129.62 is: 33,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,843.94 : 103,265.91 = 22,129.62 : x
  2. Step 2: Convert to fraction form
    68,843.94/103,265.91 = 22,129.62/x
  3. Step 3: Cross multiply
    68,843.94x = 103,265.91 × 22,129.62
  4. Step 4: Simplify right side
    68,843.94x = 2,285,235,347.25
  5. Step 5: Solve for x
    x = 2,285,235,347.25/68,843.94
  6. Step 6: Final answer
    x = 33,194.43

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1.5x scale

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.