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Finding the Fourth Proportional to 110,816.80, 166,225.20 and 109,067.20

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Solution

The fourth proportional to 110,816.80, 166,225.20 and 109,067.20 is: 163,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,816.80 : 166,225.20 = 109,067.20 : x
  2. Step 2: Convert to fraction form
    110,816.80/166,225.20 = 109,067.20/x
  3. Step 3: Cross multiply
    110,816.80x = 166,225.20 × 109,067.20
  4. Step 4: Simplify right side
    110,816.80x = 18,129,717,133.44
  5. Step 5: Solve for x
    x = 18,129,717,133.44/110,816.80
  6. Step 6: Final answer
    x = 163,600.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.