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Finding the Fourth Proportional to 335,201.86, 502,801.56 and 135,519.85

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Solution

The fourth proportional to 335,201.86, 502,801.56 and 135,519.85 is: 203,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,201.86 : 502,801.56 = 135,519.85 : x
  2. Step 2: Convert to fraction form
    335,201.86/502,801.56 = 135,519.85/x
  3. Step 3: Cross multiply
    335,201.86x = 502,801.56 × 135,519.85
  4. Step 4: Simplify right side
    335,201.86x = 68,139,591,990.97
  5. Step 5: Solve for x
    x = 68,139,591,990.97/335,201.86
  6. Step 6: Final answer
    x = 203,279.28

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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.