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Finding the Fourth Proportional to 225,867.59, 338,832.67 and 76,150.73

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Solution

The fourth proportional to 225,867.59, 338,832.67 and 76,150.73 is: 114,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,867.59 : 338,832.67 = 76,150.73 : x
  2. Step 2: Convert to fraction form
    225,867.59/338,832.67 = 76,150.73/x
  3. Step 3: Cross multiply
    225,867.59x = 338,832.67 × 76,150.73
  4. Step 4: Simplify right side
    225,867.59x = 25,802,355,967.84
  5. Step 5: Solve for x
    x = 25,802,355,967.84/225,867.59
  6. Step 6: Final answer
    x = 114,236.65

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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.