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Finding the Fourth Proportional to 167,195.72, 230,729.46 and 91,745.48

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Solution

The fourth proportional to 167,195.72, 230,729.46 and 91,745.48 is: 126,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,195.72 : 230,729.46 = 91,745.48 : x
  2. Step 2: Convert to fraction form
    167,195.72/230,729.46 = 91,745.48/x
  3. Step 3: Cross multiply
    167,195.72x = 230,729.46 × 91,745.48
  4. Step 4: Simplify right side
    167,195.72x = 21,168,385,057.84
  5. Step 5: Solve for x
    x = 21,168,385,057.84/167,195.72
  6. Step 6: Final answer
    x = 126,608.41

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1.5x scale

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.