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Finding the Fourth Proportional to 234,247.96, 323,263.94 and 126,819.80

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Solution

The fourth proportional to 234,247.96, 323,263.94 and 126,819.80 is: 175,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,247.96 : 323,263.94 = 126,819.80 : x
  2. Step 2: Convert to fraction form
    234,247.96/323,263.94 = 126,819.80/x
  3. Step 3: Cross multiply
    234,247.96x = 323,263.94 × 126,819.80
  4. Step 4: Simplify right side
    234,247.96x = 40,996,268,218.01
  5. Step 5: Solve for x
    x = 40,996,268,218.01/234,247.96
  6. Step 6: Final answer
    x = 175,012.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.