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Finding the Fourth Proportional to 167,571.72, 231,243.12 and 92,119.68

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Solution

The fourth proportional to 167,571.72, 231,243.12 and 92,119.68 is: 127,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,571.72 : 231,243.12 = 92,119.68 : x
  2. Step 2: Convert to fraction form
    167,571.72/231,243.12 = 92,119.68/x
  3. Step 3: Cross multiply
    167,571.72x = 231,243.12 × 92,119.68
  4. Step 4: Simplify right side
    167,571.72x = 21,302,042,216.60
  5. Step 5: Solve for x
    x = 21,302,042,216.60/167,571.72
  6. Step 6: Final answer
    x = 127,121.94

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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.