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Finding the Fourth Proportional to 234,370.68, 323,431.83 and 126,941.60

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Solution

The fourth proportional to 234,370.68, 323,431.83 and 126,941.60 is: 175,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,370.68 : 323,431.83 = 126,941.60 : x
  2. Step 2: Convert to fraction form
    234,370.68/323,431.83 = 126,941.60/x
  3. Step 3: Cross multiply
    234,370.68x = 323,431.83 × 126,941.60
  4. Step 4: Simplify right side
    234,370.68x = 41,056,952,373.97
  5. Step 5: Solve for x
    x = 41,056,952,373.97/234,370.68
  6. Step 6: Final answer
    x = 175,179.56

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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.