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Finding the Fourth Proportional to 135,593.60, 203,388.22 and 42,099.44

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Solution

The fourth proportional to 135,593.60, 203,388.22 and 42,099.44 is: 63,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,593.60 : 203,388.22 = 42,099.44 : x
  2. Step 2: Convert to fraction form
    135,593.60/203,388.22 = 42,099.44/x
  3. Step 3: Cross multiply
    135,593.60x = 203,388.22 × 42,099.44
  4. Step 4: Simplify right side
    135,593.60x = 8,562,530,164.60
  5. Step 5: Solve for x
    x = 8,562,530,164.60/135,593.60
  6. Step 6: Final answer
    x = 63,148.48

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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.