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Finding the Fourth Proportional to 73,234.40, 109,819.20 and 33,803.60

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Solution

The fourth proportional to 73,234.40, 109,819.20 and 33,803.60 is: 50,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,234.40 : 109,819.20 = 33,803.60 : x
  2. Step 2: Convert to fraction form
    73,234.40/109,819.20 = 33,803.60/x
  3. Step 3: Cross multiply
    73,234.40x = 109,819.20 × 33,803.60
  4. Step 4: Simplify right side
    73,234.40x = 3,712,284,309.12
  5. Step 5: Solve for x
    x = 3,712,284,309.12/73,234.40
  6. Step 6: Final answer
    x = 50,690.44

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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.