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Finding the Fourth Proportional to 48,144.41, 72,228.43 and 33,940.64

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Solution

The fourth proportional to 48,144.41, 72,228.43 and 33,940.64 is: 50,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.41 : 72,228.43 = 33,940.64 : x
  2. Step 2: Convert to fraction form
    48,144.41/72,228.43 = 33,940.64/x
  3. Step 3: Cross multiply
    48,144.41x = 72,228.43 × 33,940.64
  4. Step 4: Simplify right side
    48,144.41x = 2,451,479,405.82
  5. Step 5: Solve for x
    x = 2,451,479,405.82/48,144.41
  6. Step 6: Final answer
    x = 50,919.29

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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.