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Finding the Fourth Proportional to 168,761.88, 253,092.60 and 63,555.84

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Solution

The fourth proportional to 168,761.88, 253,092.60 and 63,555.84 is: 95,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,761.88 : 253,092.60 = 63,555.84 : x
  2. Step 2: Convert to fraction form
    168,761.88/253,092.60 = 63,555.84/x
  3. Step 3: Cross multiply
    168,761.88x = 253,092.60 × 63,555.84
  4. Step 4: Simplify right side
    168,761.88x = 16,085,512,790.78
  5. Step 5: Solve for x
    x = 16,085,512,790.78/168,761.88
  6. Step 6: Final answer
    x = 95,314.85

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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.