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Finding the Fourth Proportional to 135,369.56, 203,054.34 and 36,873.56

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Solution

The fourth proportional to 135,369.56, 203,054.34 and 36,873.56 is: 55,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,369.56 : 203,054.34 = 36,873.56 : x
  2. Step 2: Convert to fraction form
    135,369.56/203,054.34 = 36,873.56/x
  3. Step 3: Cross multiply
    135,369.56x = 203,054.34 × 36,873.56
  4. Step 4: Simplify right side
    135,369.56x = 7,487,337,035.16
  5. Step 5: Solve for x
    x = 7,487,337,035.16/135,369.56
  6. Step 6: Final answer
    x = 55,310.34

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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.