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Finding the Fourth Proportional to 80,109.64, 120,163.14 and 23,949.88

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Solution

The fourth proportional to 80,109.64, 120,163.14 and 23,949.88 is: 35,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,109.64 : 120,163.14 = 23,949.88 : x
  2. Step 2: Convert to fraction form
    80,109.64/120,163.14 = 23,949.88/x
  3. Step 3: Cross multiply
    80,109.64x = 120,163.14 × 23,949.88
  4. Step 4: Simplify right side
    80,109.64x = 2,877,892,783.42
  5. Step 5: Solve for x
    x = 2,877,892,783.42/80,109.64
  6. Step 6: Final answer
    x = 35,924.43

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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.