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Finding the Fourth Proportional to 219,183.39, 328,879.09 and 151,819.01

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Solution

The fourth proportional to 219,183.39, 328,879.09 and 151,819.01 is: 227,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,183.39 : 328,879.09 = 151,819.01 : x
  2. Step 2: Convert to fraction form
    219,183.39/328,879.09 = 151,819.01/x
  3. Step 3: Cross multiply
    219,183.39x = 328,879.09 × 151,819.01
  4. Step 4: Simplify right side
    219,183.39x = 49,930,097,853.50
  5. Step 5: Solve for x
    x = 49,930,097,853.50/219,183.39
  6. Step 6: Final answer
    x = 227,800.55

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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.