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Finding the Fourth Proportional to 193,859.42, 267,523.26 and 108,976.64

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Solution

The fourth proportional to 193,859.42, 267,523.26 and 108,976.64 is: 150,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,859.42 : 267,523.26 = 108,976.64 : x
  2. Step 2: Convert to fraction form
    193,859.42/267,523.26 = 108,976.64/x
  3. Step 3: Cross multiply
    193,859.42x = 267,523.26 × 108,976.64
  4. Step 4: Simplify right side
    193,859.42x = 29,153,785,996.65
  5. Step 5: Solve for x
    x = 29,153,785,996.65/193,859.42
  6. Step 6: Final answer
    x = 150,386.22

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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.