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Finding the Fourth Proportional to 100,201.69, 150,267.09 and 29,109.54

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Solution

The fourth proportional to 100,201.69, 150,267.09 and 29,109.54 is: 43,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,201.69 : 150,267.09 = 29,109.54 : x
  2. Step 2: Convert to fraction form
    100,201.69/150,267.09 = 29,109.54/x
  3. Step 3: Cross multiply
    100,201.69x = 150,267.09 × 29,109.54
  4. Step 4: Simplify right side
    100,201.69x = 4,374,205,757.88
  5. Step 5: Solve for x
    x = 4,374,205,757.88/100,201.69
  6. Step 6: Final answer
    x = 43,654.01

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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.