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Finding the Fourth Proportional to 119,783.43, 179,799.71 and 88,229.12

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Solution

The fourth proportional to 119,783.43, 179,799.71 and 88,229.12 is: 132,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.43 : 179,799.71 = 88,229.12 : x
  2. Step 2: Convert to fraction form
    119,783.43/179,799.71 = 88,229.12/x
  3. Step 3: Cross multiply
    119,783.43x = 179,799.71 × 88,229.12
  4. Step 4: Simplify right side
    119,783.43x = 15,863,568,849.41
  5. Step 5: Solve for x
    x = 15,863,568,849.41/119,783.43
  6. Step 6: Final answer
    x = 132,435.42

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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.