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Finding the Fourth Proportional to 100,529.60, 150,789.60 and 33,963.20

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Solution

The fourth proportional to 100,529.60, 150,789.60 and 33,963.20 is: 50,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,529.60 : 150,789.60 = 33,963.20 : x
  2. Step 2: Convert to fraction form
    100,529.60/150,789.60 = 33,963.20/x
  3. Step 3: Cross multiply
    100,529.60x = 150,789.60 × 33,963.20
  4. Step 4: Simplify right side
    100,529.60x = 5,121,297,342.72
  5. Step 5: Solve for x
    x = 5,121,297,342.72/100,529.60
  6. Step 6: Final answer
    x = 50,943.18

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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.