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Finding the Fourth Proportional to 234,083.21, 323,032.53 and 126,650.88

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Solution

The fourth proportional to 234,083.21, 323,032.53 and 126,650.88 is: 174,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,083.21 : 323,032.53 = 126,650.88 : x
  2. Step 2: Convert to fraction form
    234,083.21/323,032.53 = 126,650.88/x
  3. Step 3: Cross multiply
    234,083.21x = 323,032.53 × 126,650.88
  4. Step 4: Simplify right side
    234,083.21x = 40,912,354,193.13
  5. Step 5: Solve for x
    x = 40,912,354,193.13/234,083.21
  6. Step 6: Final answer
    x = 174,776.97

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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.