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Finding the Fourth Proportional to 167,952.51, 231,767.21 and 91,471.75

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Solution

The fourth proportional to 167,952.51, 231,767.21 and 91,471.75 is: 126,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,952.51 : 231,767.21 = 91,471.75 : x
  2. Step 2: Convert to fraction form
    167,952.51/231,767.21 = 91,471.75/x
  3. Step 3: Cross multiply
    167,952.51x = 231,767.21 × 91,471.75
  4. Step 4: Simplify right side
    167,952.51x = 21,200,152,300.83
  5. Step 5: Solve for x
    x = 21,200,152,300.83/167,952.51
  6. Step 6: Final answer
    x = 126,227.07

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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.