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Finding the Fourth Proportional to 193,536.68, 267,108.18 and 108,659.48

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Solution

The fourth proportional to 193,536.68, 267,108.18 and 108,659.48 is: 149,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536.68 : 267,108.18 = 108,659.48 : x
  2. Step 2: Convert to fraction form
    193,536.68/267,108.18 = 108,659.48/x
  3. Step 3: Cross multiply
    193,536.68x = 267,108.18 × 108,659.48
  4. Step 4: Simplify right side
    193,536.68x = 29,023,835,942.55
  5. Step 5: Solve for x
    x = 29,023,835,942.55/193,536.68
  6. Step 6: Final answer
    x = 149,965.56

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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.