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Finding the Fourth Proportional to 193,691.68, 267,322.08 and 108,814.48

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Solution

The fourth proportional to 193,691.68, 267,322.08 and 108,814.48 is: 150,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,691.68 : 267,322.08 = 108,814.48 : x
  2. Step 2: Convert to fraction form
    193,691.68/267,322.08 = 108,814.48/x
  3. Step 3: Cross multiply
    193,691.68x = 267,322.08 × 108,814.48
  4. Step 4: Simplify right side
    193,691.68x = 29,088,513,127.72
  5. Step 5: Solve for x
    x = 29,088,513,127.72/193,691.68
  6. Step 6: Final answer
    x = 150,179.47

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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.