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Finding the Fourth Proportional to 135,201.51, 202,786.78 and 35,371.34

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Solution

The fourth proportional to 135,201.51, 202,786.78 and 35,371.34 is: 53,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,201.51 : 202,786.78 = 35,371.34 : x
  2. Step 2: Convert to fraction form
    135,201.51/202,786.78 = 35,371.34/x
  3. Step 3: Cross multiply
    135,201.51x = 202,786.78 × 35,371.34
  4. Step 4: Simplify right side
    135,201.51x = 7,172,840,338.15
  5. Step 5: Solve for x
    x = 7,172,840,338.15/135,201.51
  6. Step 6: Final answer
    x = 53,052.96

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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.