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Finding the Fourth Proportional to 67,267.35, 100,769.67 and 40,906.71

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Solution

The fourth proportional to 67,267.35, 100,769.67 and 40,906.71 is: 61,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,267.35 : 100,769.67 = 40,906.71 : x
  2. Step 2: Convert to fraction form
    67,267.35/100,769.67 = 40,906.71/x
  3. Step 3: Cross multiply
    67,267.35x = 100,769.67 × 40,906.71
  4. Step 4: Simplify right side
    67,267.35x = 4,122,155,667.49
  5. Step 5: Solve for x
    x = 4,122,155,667.49/67,267.35
  6. Step 6: Final answer
    x = 61,280.19

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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.