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Finding the Fourth Proportional to 68,467.70, 102,734.43 and 33,388.22

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Solution

The fourth proportional to 68,467.70, 102,734.43 and 33,388.22 is: 50,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467.70 : 102,734.43 = 33,388.22 : x
  2. Step 2: Convert to fraction form
    68,467.70/102,734.43 = 33,388.22/x
  3. Step 3: Cross multiply
    68,467.70x = 102,734.43 × 33,388.22
  4. Step 4: Simplify right side
    68,467.70x = 3,430,119,750.41
  5. Step 5: Solve for x
    x = 3,430,119,750.41/68,467.70
  6. Step 6: Final answer
    x = 50,098.36

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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.