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Finding the Fourth Proportional to 167,593.79, 231,284 and 91,118.04

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Solution

The fourth proportional to 167,593.79, 231,284 and 91,118.04 is: 125,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,593.79 : 231,284 = 91,118.04 : x
  2. Step 2: Convert to fraction form
    167,593.79/231,284 = 91,118.04/x
  3. Step 3: Cross multiply
    167,593.79x = 231,284 × 91,118.04
  4. Step 4: Simplify right side
    167,593.79x = 21,074,144,763.36
  5. Step 5: Solve for x
    x = 21,074,144,763.36/167,593.79
  6. Step 6: Final answer
    x = 125,745.38

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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.