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Finding the Fourth Proportional to 252,819.13, 379,081.96 and 119,698.27

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Solution

The fourth proportional to 252,819.13, 379,081.96 and 119,698.27 is: 179,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,819.13 : 379,081.96 = 119,698.27 : x
  2. Step 2: Convert to fraction form
    252,819.13/379,081.96 = 119,698.27/x
  3. Step 3: Cross multiply
    252,819.13x = 379,081.96 × 119,698.27
  4. Step 4: Simplify right side
    252,819.13x = 45,375,454,800.21
  5. Step 5: Solve for x
    x = 45,375,454,800.21/252,819.13
  6. Step 6: Final answer
    x = 179,477.93

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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.