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Finding the Fourth Proportional to 87,857.94, 131,736.40 and 27,052.44

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Solution

The fourth proportional to 87,857.94, 131,736.40 and 27,052.44 is: 40,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,857.94 : 131,736.40 = 27,052.44 : x
  2. Step 2: Convert to fraction form
    87,857.94/131,736.40 = 27,052.44/x
  3. Step 3: Cross multiply
    87,857.94x = 131,736.40 × 27,052.44
  4. Step 4: Simplify right side
    87,857.94x = 3,563,791,056.82
  5. Step 5: Solve for x
    x = 3,563,791,056.82/87,857.94
  6. Step 6: Final answer
    x = 40,563.11

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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.