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Finding the Fourth Proportional to 122,441.64, 168,963.77 and 67,997.26

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Solution

The fourth proportional to 122,441.64, 168,963.77 and 67,997.26 is: 93,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,441.64 : 168,963.77 = 67,997.26 : x
  2. Step 2: Convert to fraction form
    122,441.64/168,963.77 = 67,997.26/x
  3. Step 3: Cross multiply
    122,441.64x = 168,963.77 × 67,997.26
  4. Step 4: Simplify right side
    122,441.64x = 11,489,073,229.28
  5. Step 5: Solve for x
    x = 11,489,073,229.28/122,441.64
  6. Step 6: Final answer
    x = 93,833.06

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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.