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Finding the Fourth Proportional to 68,928.15, 103,410.23 and 22,182.15

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Solution

The fourth proportional to 68,928.15, 103,410.23 and 22,182.15 is: 33,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,928.15 : 103,410.23 = 22,182.15 : x
  2. Step 2: Convert to fraction form
    68,928.15/103,410.23 = 22,182.15/x
  3. Step 3: Cross multiply
    68,928.15x = 103,410.23 × 22,182.15
  4. Step 4: Simplify right side
    68,928.15x = 2,293,861,122.48
  5. Step 5: Solve for x
    x = 2,293,861,122.48/68,928.15
  6. Step 6: Final answer
    x = 33,279.02

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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.