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Finding the Fourth Proportional to 301,287.48, 451,912.62 and 123,789.92

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Solution

The fourth proportional to 301,287.48, 451,912.62 and 123,789.92 is: 185,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,287.48 : 451,912.62 = 123,789.92 : x
  2. Step 2: Convert to fraction form
    301,287.48/451,912.62 = 123,789.92/x
  3. Step 3: Cross multiply
    301,287.48x = 451,912.62 × 123,789.92
  4. Step 4: Simplify right side
    301,287.48x = 55,942,227,076.79
  5. Step 5: Solve for x
    x = 55,942,227,076.79/301,287.48
  6. Step 6: Final answer
    x = 185,677.24

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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.