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Finding the Fourth Proportional to 67,464.81, 101,179.53 and 20,067.12

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Solution

The fourth proportional to 67,464.81, 101,179.53 and 20,067.12 is: 30,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,464.81 : 101,179.53 = 20,067.12 : x
  2. Step 2: Convert to fraction form
    67,464.81/101,179.53 = 20,067.12/x
  3. Step 3: Cross multiply
    67,464.81x = 101,179.53 × 20,067.12
  4. Step 4: Simplify right side
    67,464.81x = 2,030,381,770.05
  5. Step 5: Solve for x
    x = 2,030,381,770.05/67,464.81
  6. Step 6: Final answer
    x = 30,095.42

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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.