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Finding the Fourth Proportional to 135,992.82, 203,843.39 and 65,775.54

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Solution

The fourth proportional to 135,992.82, 203,843.39 and 65,775.54 is: 98,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,992.82 : 203,843.39 = 65,775.54 : x
  2. Step 2: Convert to fraction form
    135,992.82/203,843.39 = 65,775.54/x
  3. Step 3: Cross multiply
    135,992.82x = 203,843.39 × 65,775.54
  4. Step 4: Simplify right side
    135,992.82x = 13,407,909,052.68
  5. Step 5: Solve for x
    x = 13,407,909,052.68/135,992.82
  6. Step 6: Final answer
    x = 98,592.77

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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.