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Finding the Fourth Proportional to 100,150.70, 150,221.49 and 33,585.71

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Solution

The fourth proportional to 100,150.70, 150,221.49 and 33,585.71 is: 50,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,150.70 : 150,221.49 = 33,585.71 : x
  2. Step 2: Convert to fraction form
    100,150.70/150,221.49 = 33,585.71/x
  3. Step 3: Cross multiply
    100,150.70x = 150,221.49 × 33,585.71
  4. Step 4: Simplify right side
    100,150.70x = 5,045,295,398.91
  5. Step 5: Solve for x
    x = 5,045,295,398.91/100,150.70
  6. Step 6: Final answer
    x = 50,377.04

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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.