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Finding the Fourth Proportional to 123,024.60, 169,738.54 and 80,067.30

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Solution

The fourth proportional to 123,024.60, 169,738.54 and 80,067.30 is: 110,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,024.60 : 169,738.54 = 80,067.30 : x
  2. Step 2: Convert to fraction form
    123,024.60/169,738.54 = 80,067.30/x
  3. Step 3: Cross multiply
    123,024.60x = 169,738.54 × 80,067.30
  4. Step 4: Simplify right side
    123,024.60x = 13,590,505,767.05
  5. Step 5: Solve for x
    x = 13,590,505,767.05/123,024.60
  6. Step 6: Final answer
    x = 110,469.82

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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.