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Finding the Fourth Proportional to 135,754.92, 203,550.54 and 60,861.52

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Solution

The fourth proportional to 135,754.92, 203,550.54 and 60,861.52 is: 91,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,754.92 : 203,550.54 = 60,861.52 : x
  2. Step 2: Convert to fraction form
    135,754.92/203,550.54 = 60,861.52/x
  3. Step 3: Cross multiply
    135,754.92x = 203,550.54 × 60,861.52
  4. Step 4: Simplify right side
    135,754.92x = 12,388,395,261.22
  5. Step 5: Solve for x
    x = 12,388,395,261.22/135,754.92
  6. Step 6: Final answer
    x = 91,255.59

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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.