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Finding the Fourth Proportional to 87,310.44, 130,993.00 and 36,736.07

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Solution

The fourth proportional to 87,310.44, 130,993.00 and 36,736.07 is: 55,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310.44 : 130,993.00 = 36,736.07 : x
  2. Step 2: Convert to fraction form
    87,310.44/130,993.00 = 36,736.07/x
  3. Step 3: Cross multiply
    87,310.44x = 130,993.00 × 36,736.07
  4. Step 4: Simplify right side
    87,310.44x = 4,812,167,270.70
  5. Step 5: Solve for x
    x = 4,812,167,270.70/87,310.44
  6. Step 6: Final answer
    x = 55,115.60

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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.