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Finding the Fourth Proportional to 100,250.73, 150,383.49 and 33,690.39

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Solution

The fourth proportional to 100,250.73, 150,383.49 and 33,690.39 is: 50,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,250.73 : 150,383.49 = 33,690.39 : x
  2. Step 2: Convert to fraction form
    100,250.73/150,383.49 = 33,690.39/x
  3. Step 3: Cross multiply
    100,250.73x = 150,383.49 × 33,690.39
  4. Step 4: Simplify right side
    100,250.73x = 5,066,478,427.66
  5. Step 5: Solve for x
    x = 5,066,478,427.66/100,250.73
  6. Step 6: Final answer
    x = 50,538.07

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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.