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Finding the Fourth Proportional to 167,473.92, 231,112.44 and 92,020.80

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Solution

The fourth proportional to 167,473.92, 231,112.44 and 92,020.80 is: 126,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,473.92 : 231,112.44 = 92,020.80 : x
  2. Step 2: Convert to fraction form
    167,473.92/231,112.44 = 92,020.80/x
  3. Step 3: Cross multiply
    167,473.92x = 231,112.44 × 92,020.80
  4. Step 4: Simplify right side
    167,473.92x = 21,267,151,618.75
  5. Step 5: Solve for x
    x = 21,267,151,618.75/167,473.92
  6. Step 6: Final answer
    x = 126,987.84

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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.