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Finding the Fourth Proportional to 100,367.64, 150,507.68 and 33,789.88

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Solution

The fourth proportional to 100,367.64, 150,507.68 and 33,789.88 is: 50,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,367.64 : 150,507.68 = 33,789.88 : x
  2. Step 2: Convert to fraction form
    100,367.64/150,507.68 = 33,789.88/x
  3. Step 3: Cross multiply
    100,367.64x = 150,507.68 × 33,789.88
  4. Step 4: Simplify right side
    100,367.64x = 5,085,636,446.28
  5. Step 5: Solve for x
    x = 5,085,636,446.28/100,367.64
  6. Step 6: Final answer
    x = 50,670.08

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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.