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Finding the Fourth Proportional to 68,933.92, 103,335.16 and 22,153.92

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Solution

The fourth proportional to 68,933.92, 103,335.16 and 22,153.92 is: 33,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,933.92 : 103,335.16 = 22,153.92 : x
  2. Step 2: Convert to fraction form
    68,933.92/103,335.16 = 22,153.92/x
  3. Step 3: Cross multiply
    68,933.92x = 103,335.16 × 22,153.92
  4. Step 4: Simplify right side
    68,933.92x = 2,289,278,867.83
  5. Step 5: Solve for x
    x = 2,289,278,867.83/68,933.92
  6. Step 6: Final answer
    x = 33,209.76

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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.