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Finding the Fourth Proportional to 68,019.60, 101,928.96 and 32,917.44

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Solution

The fourth proportional to 68,019.60, 101,928.96 and 32,917.44 is: 49,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,019.60 : 101,928.96 = 32,917.44 : x
  2. Step 2: Convert to fraction form
    68,019.60/101,928.96 = 32,917.44/x
  3. Step 3: Cross multiply
    68,019.60x = 101,928.96 × 32,917.44
  4. Step 4: Simplify right side
    68,019.60x = 3,355,240,425.06
  5. Step 5: Solve for x
    x = 3,355,240,425.06/68,019.60
  6. Step 6: Final answer
    x = 49,327.55

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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.