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Finding the Fourth Proportional to 80,149.44, 110,607.30 and 49,946.97

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Solution

The fourth proportional to 80,149.44, 110,607.30 and 49,946.97 is: 68,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.44 : 110,607.30 = 49,946.97 : x
  2. Step 2: Convert to fraction form
    80,149.44/110,607.30 = 49,946.97/x
  3. Step 3: Cross multiply
    80,149.44x = 110,607.30 × 49,946.97
  4. Step 4: Simplify right side
    80,149.44x = 5,524,499,494.88
  5. Step 5: Solve for x
    x = 5,524,499,494.88/80,149.44
  6. Step 6: Final answer
    x = 68,927.49

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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.