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Finding the Fourth Proportional to 194,295.82, 267,976.26 and 126,334.78

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Solution

The fourth proportional to 194,295.82, 267,976.26 and 126,334.78 is: 174,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,295.82 : 267,976.26 = 126,334.78 : x
  2. Step 2: Convert to fraction form
    194,295.82/267,976.26 = 126,334.78/x
  3. Step 3: Cross multiply
    194,295.82x = 267,976.26 × 126,334.78
  4. Step 4: Simplify right side
    194,295.82x = 33,854,721,852.32
  5. Step 5: Solve for x
    x = 33,854,721,852.32/194,295.82
  6. Step 6: Final answer
    x = 174,243.18

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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.