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Finding the Fourth Proportional to 150,485.33, 225,749.87 and 80,326.37

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Solution

The fourth proportional to 150,485.33, 225,749.87 and 80,326.37 is: 120,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,485.33 : 225,749.87 = 80,326.37 : x
  2. Step 2: Convert to fraction form
    150,485.33/225,749.87 = 80,326.37/x
  3. Step 3: Cross multiply
    150,485.33x = 225,749.87 × 80,326.37
  4. Step 4: Simplify right side
    150,485.33x = 18,133,667,585.07
  5. Step 5: Solve for x
    x = 18,133,667,585.07/150,485.33
  6. Step 6: Final answer
    x = 120,501.23

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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.