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Finding the Fourth Proportional to 167,203.44, 230,747.40 and 91,754.64

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Solution

The fourth proportional to 167,203.44, 230,747.40 and 91,754.64 is: 126,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,203.44 : 230,747.40 = 91,754.64 : x
  2. Step 2: Convert to fraction form
    167,203.44/230,747.40 = 91,754.64/x
  3. Step 3: Cross multiply
    167,203.44x = 230,747.40 × 91,754.64
  4. Step 4: Simplify right side
    167,203.44x = 21,172,144,617.94
  5. Step 5: Solve for x
    x = 21,172,144,617.94/167,203.44
  6. Step 6: Final answer
    x = 126,625.05

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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.