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Finding the Fourth Proportional to 168,081.62, 231,952.63 and 92,630.12

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Solution

The fourth proportional to 168,081.62, 231,952.63 and 92,630.12 is: 127,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.62 : 231,952.63 = 92,630.12 : x
  2. Step 2: Convert to fraction form
    168,081.62/231,952.63 = 92,630.12/x
  3. Step 3: Cross multiply
    168,081.62x = 231,952.63 × 92,630.12
  4. Step 4: Simplify right side
    168,081.62x = 21,485,799,371.33
  5. Step 5: Solve for x
    x = 21,485,799,371.33/168,081.62
  6. Step 6: Final answer
    x = 127,829.56

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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.