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Finding the Fourth Proportional to 87,850.82, 131,800.82 and 35,297.21

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Solution

The fourth proportional to 87,850.82, 131,800.82 and 35,297.21 is: 52,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.82 : 131,800.82 = 35,297.21 : x
  2. Step 2: Convert to fraction form
    87,850.82/131,800.82 = 35,297.21/x
  3. Step 3: Cross multiply
    87,850.82x = 131,800.82 × 35,297.21
  4. Step 4: Simplify right side
    87,850.82x = 4,652,200,386.22
  5. Step 5: Solve for x
    x = 4,652,200,386.22/87,850.82
  6. Step 6: Final answer
    x = 52,955.69

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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.