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Finding the Fourth Proportional to 135,857.80, 203,795.70 and 36,016.60

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Solution

The fourth proportional to 135,857.80, 203,795.70 and 36,016.60 is: 54,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,857.80 : 203,795.70 = 36,016.60 : x
  2. Step 2: Convert to fraction form
    135,857.80/203,795.70 = 36,016.60/x
  3. Step 3: Cross multiply
    135,857.80x = 203,795.70 × 36,016.60
  4. Step 4: Simplify right side
    135,857.80x = 7,340,028,208.62
  5. Step 5: Solve for x
    x = 7,340,028,208.62/135,857.80
  6. Step 6: Final answer
    x = 54,027.29

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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.