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Finding the Fourth Proportional to 68,007.60, 101,910.96 and 32,905.44

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Solution

The fourth proportional to 68,007.60, 101,910.96 and 32,905.44 is: 49,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.60 : 101,910.96 = 32,905.44 : x
  2. Step 2: Convert to fraction form
    68,007.60/101,910.96 = 32,905.44/x
  3. Step 3: Cross multiply
    68,007.60x = 101,910.96 × 32,905.44
  4. Step 4: Simplify right side
    68,007.60x = 3,353,424,979.62
  5. Step 5: Solve for x
    x = 3,353,424,979.62/68,007.60
  6. Step 6: Final answer
    x = 49,309.56

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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.