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Finding the Fourth Proportional to 193,644.84, 267,254.94 and 108,761.91

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Solution

The fourth proportional to 193,644.84, 267,254.94 and 108,761.91 is: 150,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,644.84 : 267,254.94 = 108,761.91 : x
  2. Step 2: Convert to fraction form
    193,644.84/267,254.94 = 108,761.91/x
  3. Step 3: Cross multiply
    193,644.84x = 267,254.94 × 108,761.91
  4. Step 4: Simplify right side
    193,644.84x = 29,067,157,136.99
  5. Step 5: Solve for x
    x = 29,067,157,136.99/193,644.84
  6. Step 6: Final answer
    x = 150,105.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.