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Finding the Fourth Proportional to 234,267.80, 323,289.77 and 126,837.90

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Solution

The fourth proportional to 234,267.80, 323,289.77 and 126,837.90 is: 175,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,267.80 : 323,289.77 = 126,837.90 : x
  2. Step 2: Convert to fraction form
    234,267.80/323,289.77 = 126,837.90/x
  3. Step 3: Cross multiply
    234,267.80x = 323,289.77 × 126,837.90
  4. Step 4: Simplify right side
    234,267.80x = 41,005,394,884.09
  5. Step 5: Solve for x
    x = 41,005,394,884.09/234,267.80
  6. Step 6: Final answer
    x = 175,036.41

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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.