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Finding the Fourth Proportional to 67,231.70, 100,847.55 and 48,569.30

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Solution

The fourth proportional to 67,231.70, 100,847.55 and 48,569.30 is: 72,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,231.70 : 100,847.55 = 48,569.30 : x
  2. Step 2: Convert to fraction form
    67,231.70/100,847.55 = 48,569.30/x
  3. Step 3: Cross multiply
    67,231.70x = 100,847.55 × 48,569.30
  4. Step 4: Simplify right side
    67,231.70x = 4,898,094,910.22
  5. Step 5: Solve for x
    x = 4,898,094,910.22/67,231.70
  6. Step 6: Final answer
    x = 72,853.95

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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.