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Finding the Fourth Proportional to 167,202.22, 230,738.43 and 91,751.98

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Solution

The fourth proportional to 167,202.22, 230,738.43 and 91,751.98 is: 126,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,202.22 : 230,738.43 = 91,751.98 : x
  2. Step 2: Convert to fraction form
    167,202.22/230,738.43 = 91,751.98/x
  3. Step 3: Cross multiply
    167,202.22x = 230,738.43 × 91,751.98
  4. Step 4: Simplify right side
    167,202.22x = 21,170,707,814.59
  5. Step 5: Solve for x
    x = 21,170,707,814.59/167,202.22
  6. Step 6: Final answer
    x = 126,617.38

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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.