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Finding the Fourth Proportional to 250,645.17, 345,893.01 and 135,924.03

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Solution

The fourth proportional to 250,645.17, 345,893.01 and 135,924.03 is: 187,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,645.17 : 345,893.01 = 135,924.03 : x
  2. Step 2: Convert to fraction form
    250,645.17/345,893.01 = 135,924.03/x
  3. Step 3: Cross multiply
    250,645.17x = 345,893.01 × 135,924.03
  4. Step 4: Simplify right side
    250,645.17x = 47,015,170,138.57
  5. Step 5: Solve for x
    x = 47,015,170,138.57/250,645.17
  6. Step 6: Final answer
    x = 187,576.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.