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Finding the Fourth Proportional to 71,366.20, 107,050.20 and 33,930.16

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Solution

The fourth proportional to 71,366.20, 107,050.20 and 33,930.16 is: 50,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.20 : 107,050.20 = 33,930.16 : x
  2. Step 2: Convert to fraction form
    71,366.20/107,050.20 = 33,930.16/x
  3. Step 3: Cross multiply
    71,366.20x = 107,050.20 × 33,930.16
  4. Step 4: Simplify right side
    71,366.20x = 3,632,230,414.03
  5. Step 5: Solve for x
    x = 3,632,230,414.03/71,366.20
  6. Step 6: Final answer
    x = 50,895.67

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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.