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Finding the Fourth Proportional to 234,101.56, 323,059.26 and 126,671.80

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Solution

The fourth proportional to 234,101.56, 323,059.26 and 126,671.80 is: 174,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,101.56 : 323,059.26 = 126,671.80 : x
  2. Step 2: Convert to fraction form
    234,101.56/323,059.26 = 126,671.80/x
  3. Step 3: Cross multiply
    234,101.56x = 323,059.26 × 126,671.80
  4. Step 4: Simplify right side
    234,101.56x = 40,922,497,970.87
  5. Step 5: Solve for x
    x = 40,922,497,970.87/234,101.56
  6. Step 6: Final answer
    x = 174,806.60

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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.