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Finding the Fourth Proportional to 234,100.99, 323,058.32 and 126,672.91

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Solution

The fourth proportional to 234,100.99, 323,058.32 and 126,672.91 is: 174,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,100.99 : 323,058.32 = 126,672.91 : x
  2. Step 2: Convert to fraction form
    234,100.99/323,058.32 = 126,672.91/x
  3. Step 3: Cross multiply
    234,100.99x = 323,058.32 × 126,672.91
  4. Step 4: Simplify right side
    234,100.99x = 40,922,737,494.11
  5. Step 5: Solve for x
    x = 40,922,737,494.11/234,100.99
  6. Step 6: Final answer
    x = 174,808.05

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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.