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Finding the Fourth Proportional to 67,080.60, 100,648.62 and 33,782.76

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Solution

The fourth proportional to 67,080.60, 100,648.62 and 33,782.76 is: 50,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.60 : 100,648.62 = 33,782.76 : x
  2. Step 2: Convert to fraction form
    67,080.60/100,648.62 = 33,782.76/x
  3. Step 3: Cross multiply
    67,080.60x = 100,648.62 × 33,782.76
  4. Step 4: Simplify right side
    67,080.60x = 3,400,188,173.79
  5. Step 5: Solve for x
    x = 3,400,188,173.79/67,080.60
  6. Step 6: Final answer
    x = 50,688.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.