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Finding the Fourth Proportional to 69,843.92, 104,599.12 and 40,199.44

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Solution

The fourth proportional to 69,843.92, 104,599.12 and 40,199.44 is: 60,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,843.92 : 104,599.12 = 40,199.44 : x
  2. Step 2: Convert to fraction form
    69,843.92/104,599.12 = 40,199.44/x
  3. Step 3: Cross multiply
    69,843.92x = 104,599.12 × 40,199.44
  4. Step 4: Simplify right side
    69,843.92x = 4,204,825,555.75
  5. Step 5: Solve for x
    x = 4,204,825,555.75/69,843.92
  6. Step 6: Final answer
    x = 60,203.17

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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.