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Finding the Fourth Proportional to 150,789.71, 225,840.04 and 71,959.30

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Solution

The fourth proportional to 150,789.71, 225,840.04 and 71,959.30 is: 107,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,789.71 : 225,840.04 = 71,959.30 : x
  2. Step 2: Convert to fraction form
    150,789.71/225,840.04 = 71,959.30/x
  3. Step 3: Cross multiply
    150,789.71x = 225,840.04 × 71,959.30
  4. Step 4: Simplify right side
    150,789.71x = 16,251,291,190.37
  5. Step 5: Solve for x
    x = 16,251,291,190.37/150,789.71
  6. Step 6: Final answer
    x = 107,774.54

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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.