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Finding the Fourth Proportional to 202,238.80, 303,588.60 and 119,179.60

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Solution

The fourth proportional to 202,238.80, 303,588.60 and 119,179.60 is: 178,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.80 : 303,588.60 = 119,179.60 : x
  2. Step 2: Convert to fraction form
    202,238.80/303,588.60 = 119,179.60/x
  3. Step 3: Cross multiply
    202,238.80x = 303,588.60 × 119,179.60
  4. Step 4: Simplify right side
    202,238.80x = 36,181,567,912.56
  5. Step 5: Solve for x
    x = 36,181,567,912.56/202,238.80
  6. Step 6: Final answer
    x = 178,905.18

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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.