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Finding the Fourth Proportional to 234,207.25, 323,249.79 and 133,605.25

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Solution

The fourth proportional to 234,207.25, 323,249.79 and 133,605.25 is: 184,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,207.25 : 323,249.79 = 133,605.25 : x
  2. Step 2: Convert to fraction form
    234,207.25/323,249.79 = 133,605.25/x
  3. Step 3: Cross multiply
    234,207.25x = 323,249.79 × 133,605.25
  4. Step 4: Simplify right side
    234,207.25x = 43,187,869,005.40
  5. Step 5: Solve for x
    x = 43,187,869,005.40/234,207.25
  6. Step 6: Final answer
    x = 184,400.22

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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.