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Finding the Fourth Proportional to 165,212.22, 247,819.14 and 40,553.22

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Solution

The fourth proportional to 165,212.22, 247,819.14 and 40,553.22 is: 60,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,212.22 : 247,819.14 = 40,553.22 : x
  2. Step 2: Convert to fraction form
    165,212.22/247,819.14 = 40,553.22/x
  3. Step 3: Cross multiply
    165,212.22x = 247,819.14 × 40,553.22
  4. Step 4: Simplify right side
    165,212.22x = 10,049,864,104.63
  5. Step 5: Solve for x
    x = 10,049,864,104.63/165,212.22
  6. Step 6: Final answer
    x = 60,830.03

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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.