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Finding the Fourth Proportional to 100,340.37, 150,533.59 and 33,778.73

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Solution

The fourth proportional to 100,340.37, 150,533.59 and 33,778.73 is: 50,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,340.37 : 150,533.59 = 33,778.73 : x
  2. Step 2: Convert to fraction form
    100,340.37/150,533.59 = 33,778.73/x
  3. Step 3: Cross multiply
    100,340.37x = 150,533.59 × 33,778.73
  4. Step 4: Simplify right side
    100,340.37x = 5,084,832,824.32
  5. Step 5: Solve for x
    x = 5,084,832,824.32/100,340.37
  6. Step 6: Final answer
    x = 50,675.84

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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.