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Finding the Fourth Proportional to 135,835.98, 203,753.06 and 73,900.14

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Solution

The fourth proportional to 135,835.98, 203,753.06 and 73,900.14 is: 110,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,835.98 : 203,753.06 = 73,900.14 : x
  2. Step 2: Convert to fraction form
    135,835.98/203,753.06 = 73,900.14/x
  3. Step 3: Cross multiply
    135,835.98x = 203,753.06 × 73,900.14
  4. Step 4: Simplify right side
    135,835.98x = 15,057,379,659.43
  5. Step 5: Solve for x
    x = 15,057,379,659.43/135,835.98
  6. Step 6: Final answer
    x = 110,849.71

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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.