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Finding the Fourth Proportional to 71,334.20, 107,231.70 and 50,700.60

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Solution

The fourth proportional to 71,334.20, 107,231.70 and 50,700.60 is: 76,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334.20 : 107,231.70 = 50,700.60 : x
  2. Step 2: Convert to fraction form
    71,334.20/107,231.70 = 50,700.60/x
  3. Step 3: Cross multiply
    71,334.20x = 107,231.70 × 50,700.60
  4. Step 4: Simplify right side
    71,334.20x = 5,436,711,529.02
  5. Step 5: Solve for x
    x = 5,436,711,529.02/71,334.20
  6. Step 6: Final answer
    x = 76,214.66

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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.