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Finding the Fourth Proportional to 250,790.67, 376,243.41 and 108,659.59

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Solution

The fourth proportional to 250,790.67, 376,243.41 and 108,659.59 is: 163,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.67 : 376,243.41 = 108,659.59 : x
  2. Step 2: Convert to fraction form
    250,790.67/376,243.41 = 108,659.59/x
  3. Step 3: Cross multiply
    250,790.67x = 376,243.41 × 108,659.59
  4. Step 4: Simplify right side
    250,790.67x = 40,882,452,789.58
  5. Step 5: Solve for x
    x = 40,882,452,789.58/250,790.67
  6. Step 6: Final answer
    x = 163,014.25

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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.