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Finding the Fourth Proportional to 100,558.80, 150,858.45 and 29,481.30

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Solution

The fourth proportional to 100,558.80, 150,858.45 and 29,481.30 is: 44,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,558.80 : 150,858.45 = 29,481.30 : x
  2. Step 2: Convert to fraction form
    100,558.80/150,858.45 = 29,481.30/x
  3. Step 3: Cross multiply
    100,558.80x = 150,858.45 × 29,481.30
  4. Step 4: Simplify right side
    100,558.80x = 4,447,503,221.99
  5. Step 5: Solve for x
    x = 4,447,503,221.99/100,558.80
  6. Step 6: Final answer
    x = 44,227.89

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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.