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Finding the Fourth Proportional to 100,743.35, 151,082.39 and 33,260.22

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Solution

The fourth proportional to 100,743.35, 151,082.39 and 33,260.22 is: 49,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,743.35 : 151,082.39 = 33,260.22 : x
  2. Step 2: Convert to fraction form
    100,743.35/151,082.39 = 33,260.22/x
  3. Step 3: Cross multiply
    100,743.35x = 151,082.39 × 33,260.22
  4. Step 4: Simplify right side
    100,743.35x = 5,025,033,612.68
  5. Step 5: Solve for x
    x = 5,025,033,612.68/100,743.35
  6. Step 6: Final answer
    x = 49,879.56

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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.