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Finding the Fourth Proportional to 159,919.44, 220,754.52 and 109,099.92

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Solution

The fourth proportional to 159,919.44, 220,754.52 and 109,099.92 is: 150,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,919.44 : 220,754.52 = 109,099.92 : x
  2. Step 2: Convert to fraction form
    159,919.44/220,754.52 = 109,099.92/x
  3. Step 3: Cross multiply
    159,919.44x = 220,754.52 × 109,099.92
  4. Step 4: Simplify right side
    159,919.44x = 24,084,300,471.64
  5. Step 5: Solve for x
    x = 24,084,300,471.64/159,919.44
  6. Step 6: Final answer
    x = 150,602.71

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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.