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Finding the Fourth Proportional to 273,254.31, 376,991.55 and 158,469.62

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Solution

The fourth proportional to 273,254.31, 376,991.55 and 158,469.62 is: 218,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,254.31 : 376,991.55 = 158,469.62 : x
  2. Step 2: Convert to fraction form
    273,254.31/376,991.55 = 158,469.62/x
  3. Step 3: Cross multiply
    273,254.31x = 376,991.55 × 158,469.62
  4. Step 4: Simplify right side
    273,254.31x = 59,741,705,786.75
  5. Step 5: Solve for x
    x = 59,741,705,786.75/273,254.31
  6. Step 6: Final answer
    x = 218,630.42

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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.