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Finding the Fourth Proportional to 67,723.20, 101,584.80 and 63,921.60

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Solution

The fourth proportional to 67,723.20, 101,584.80 and 63,921.60 is: 95,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.20 : 101,584.80 = 63,921.60 : x
  2. Step 2: Convert to fraction form
    67,723.20/101,584.80 = 63,921.60/x
  3. Step 3: Cross multiply
    67,723.20x = 101,584.80 × 63,921.60
  4. Step 4: Simplify right side
    67,723.20x = 6,493,462,951.68
  5. Step 5: Solve for x
    x = 6,493,462,951.68/67,723.20
  6. Step 6: Final answer
    x = 95,882.40

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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.