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Finding the Fourth Proportional to 335,301.70, 502,843.20 and 124,912.30

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Solution

The fourth proportional to 335,301.70, 502,843.20 and 124,912.30 is: 187,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,301.70 : 502,843.20 = 124,912.30 : x
  2. Step 2: Convert to fraction form
    335,301.70/502,843.20 = 124,912.30/x
  3. Step 3: Cross multiply
    335,301.70x = 502,843.20 × 124,912.30
  4. Step 4: Simplify right side
    335,301.70x = 62,811,300,651.36
  5. Step 5: Solve for x
    x = 62,811,300,651.36/335,301.70
  6. Step 6: Final answer
    x = 187,327.71

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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.