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Finding the Fourth Proportional to 273,215.88, 409,757.67 and 140,027.58

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Solution

The fourth proportional to 273,215.88, 409,757.67 and 140,027.58 is: 210,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,215.88 : 409,757.67 = 140,027.58 : x
  2. Step 2: Convert to fraction form
    273,215.88/409,757.67 = 140,027.58/x
  3. Step 3: Cross multiply
    273,215.88x = 409,757.67 × 140,027.58
  4. Step 4: Simplify right side
    273,215.88x = 57,377,374,916.54
  5. Step 5: Solve for x
    x = 57,377,374,916.54/273,215.88
  6. Step 6: Final answer
    x = 210,007.47

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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.