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Finding the Fourth Proportional to 234,233.97, 323,243.93 and 126,804

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Solution

The fourth proportional to 234,233.97, 323,243.93 and 126,804 is: 174,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,233.97 : 323,243.93 = 126,804 : x
  2. Step 2: Convert to fraction form
    234,233.97/323,243.93 = 126,804/x
  3. Step 3: Cross multiply
    234,233.97x = 323,243.93 × 126,804
  4. Step 4: Simplify right side
    234,233.97x = 40,988,623,299.72
  5. Step 5: Solve for x
    x = 40,988,623,299.72/234,233.97
  6. Step 6: Final answer
    x = 174,990.09

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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.