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Finding the Fourth Proportional to 100,319.70, 150,485.68 and 33,754.24

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Solution

The fourth proportional to 100,319.70, 150,485.68 and 33,754.24 is: 50,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,319.70 : 150,485.68 = 33,754.24 : x
  2. Step 2: Convert to fraction form
    100,319.70/150,485.68 = 33,754.24/x
  3. Step 3: Cross multiply
    100,319.70x = 150,485.68 × 33,754.24
  4. Step 4: Simplify right side
    100,319.70x = 5,079,529,759.28
  5. Step 5: Solve for x
    x = 5,079,529,759.28/100,319.70
  6. Step 6: Final answer
    x = 50,633.42

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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.