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Finding the Fourth Proportional to 168,081.56, 231,952.55 and 92,630.06

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Solution

The fourth proportional to 168,081.56, 231,952.55 and 92,630.06 is: 127,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.56 : 231,952.55 = 92,630.06 : x
  2. Step 2: Convert to fraction form
    168,081.56/231,952.55 = 92,630.06/x
  3. Step 3: Cross multiply
    168,081.56x = 231,952.55 × 92,630.06
  4. Step 4: Simplify right side
    168,081.56x = 21,485,777,000.74
  5. Step 5: Solve for x
    x = 21,485,777,000.74/168,081.56
  6. Step 6: Final answer
    x = 127,829.48

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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.