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Finding the Fourth Proportional to 135,311.00, 202,944.46 and 45,393.51

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Solution

The fourth proportional to 135,311.00, 202,944.46 and 45,393.51 is: 68,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,311.00 : 202,944.46 = 45,393.51 : x
  2. Step 2: Convert to fraction form
    135,311.00/202,944.46 = 45,393.51/x
  3. Step 3: Cross multiply
    135,311.00x = 202,944.46 × 45,393.51
  4. Step 4: Simplify right side
    135,311.00x = 9,212,361,260.97
  5. Step 5: Solve for x
    x = 9,212,361,260.97/135,311.00
  6. Step 6: Final answer
    x = 68,082.87

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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.