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Finding the Fourth Proportional to 181,906.68, 250,910.94 and 113,805.48

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Solution

The fourth proportional to 181,906.68, 250,910.94 and 113,805.48 is: 156,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,906.68 : 250,910.94 = 113,805.48 : x
  2. Step 2: Convert to fraction form
    181,906.68/250,910.94 = 113,805.48/x
  3. Step 3: Cross multiply
    181,906.68x = 250,910.94 × 113,805.48
  4. Step 4: Simplify right side
    181,906.68x = 28,555,039,963.95
  5. Step 5: Solve for x
    x = 28,555,039,963.95/181,906.68
  6. Step 6: Final answer
    x = 156,976.31

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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.