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Finding the Fourth Proportional to 335,951.97, 503,998.83 and 111,299.55

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Solution

The fourth proportional to 335,951.97, 503,998.83 and 111,299.55 is: 166,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,951.97 : 503,998.83 = 111,299.55 : x
  2. Step 2: Convert to fraction form
    335,951.97/503,998.83 = 111,299.55/x
  3. Step 3: Cross multiply
    335,951.97x = 503,998.83 × 111,299.55
  4. Step 4: Simplify right side
    335,951.97x = 56,094,842,979.53
  5. Step 5: Solve for x
    x = 56,094,842,979.53/335,951.97
  6. Step 6: Final answer
    x = 166,972.81

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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.