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Finding the Fourth Proportional to 87,573.96, 131,369.44 and 23,531.31

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Solution

The fourth proportional to 87,573.96, 131,369.44 and 23,531.31 is: 35,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573.96 : 131,369.44 = 23,531.31 : x
  2. Step 2: Convert to fraction form
    87,573.96/131,369.44 = 23,531.31/x
  3. Step 3: Cross multiply
    87,573.96x = 131,369.44 × 23,531.31
  4. Step 4: Simplify right side
    87,573.96x = 3,091,295,017.17
  5. Step 5: Solve for x
    x = 3,091,295,017.17/87,573.96
  6. Step 6: Final answer
    x = 35,299.25

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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.