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Finding the Fourth Proportional to 335,119.82, 503,037.81 and 135,570.65

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Solution

The fourth proportional to 335,119.82, 503,037.81 and 135,570.65 is: 203,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,119.82 : 503,037.81 = 135,570.65 : x
  2. Step 2: Convert to fraction form
    335,119.82/503,037.81 = 135,570.65/x
  3. Step 3: Cross multiply
    335,119.82x = 503,037.81 × 135,570.65
  4. Step 4: Simplify right side
    335,119.82x = 68,197,160,361.09
  5. Step 5: Solve for x
    x = 68,197,160,361.09/335,119.82
  6. Step 6: Final answer
    x = 203,500.83

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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.