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Finding the Fourth Proportional to 167,857.92, 231,642.72 and 92,404.80

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Solution

The fourth proportional to 167,857.92, 231,642.72 and 92,404.80 is: 127,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,857.92 : 231,642.72 = 92,404.80 : x
  2. Step 2: Convert to fraction form
    167,857.92/231,642.72 = 92,404.80/x
  3. Step 3: Cross multiply
    167,857.92x = 231,642.72 × 92,404.80
  4. Step 4: Simplify right side
    167,857.92x = 21,404,899,213.06
  5. Step 5: Solve for x
    x = 21,404,899,213.06/167,857.92
  6. Step 6: Final answer
    x = 127,517.96

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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.