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Finding the Fourth Proportional to 87,367.52, 131,051.26 and 21,703.52

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Solution

The fourth proportional to 87,367.52, 131,051.26 and 21,703.52 is: 32,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,367.52 : 131,051.26 = 21,703.52 : x
  2. Step 2: Convert to fraction form
    87,367.52/131,051.26 = 21,703.52/x
  3. Step 3: Cross multiply
    87,367.52x = 131,051.26 × 21,703.52
  4. Step 4: Simplify right side
    87,367.52x = 2,844,273,642.44
  5. Step 5: Solve for x
    x = 2,844,273,642.44/87,367.52
  6. Step 6: Final answer
    x = 32,555.28

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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.