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Finding the Fourth Proportional to 167,871.84, 231,679.86 and 125,356.56

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Solution

The fourth proportional to 167,871.84, 231,679.86 and 125,356.56 is: 173,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,871.84 : 231,679.86 = 125,356.56 : x
  2. Step 2: Convert to fraction form
    167,871.84/231,679.86 = 125,356.56/x
  3. Step 3: Cross multiply
    167,871.84x = 231,679.86 × 125,356.56
  4. Step 4: Simplify right side
    167,871.84x = 29,042,590,270.88
  5. Step 5: Solve for x
    x = 29,042,590,270.88/167,871.84
  6. Step 6: Final answer
    x = 173,004.54

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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.