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Finding the Fourth Proportional to 168,086.39, 231,955.79 and 92,634.89

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Solution

The fourth proportional to 168,086.39, 231,955.79 and 92,634.89 is: 127,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086.39 : 231,955.79 = 92,634.89 : x
  2. Step 2: Convert to fraction form
    168,086.39/231,955.79 = 92,634.89/x
  3. Step 3: Cross multiply
    168,086.39x = 231,955.79 × 92,634.89
  4. Step 4: Simplify right side
    168,086.39x = 21,487,197,468.56
  5. Step 5: Solve for x
    x = 21,487,197,468.56/168,086.39
  6. Step 6: Final answer
    x = 127,834.25

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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.