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Finding the Fourth Proportional to 87,855.93, 131,733.41 and 27,050.45

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Solution

The fourth proportional to 87,855.93, 131,733.41 and 27,050.45 is: 40,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855.93 : 131,733.41 = 27,050.45 : x
  2. Step 2: Convert to fraction form
    87,855.93/131,733.41 = 27,050.45/x
  3. Step 3: Cross multiply
    87,855.93x = 131,733.41 × 27,050.45
  4. Step 4: Simplify right side
    87,855.93x = 3,563,447,226.62
  5. Step 5: Solve for x
    x = 3,563,447,226.62/87,855.93
  6. Step 6: Final answer
    x = 40,560.12

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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.