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Finding the Fourth Proportional to 234,010.71, 322,934.49 and 126,580.41

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Solution

The fourth proportional to 234,010.71, 322,934.49 and 126,580.41 is: 174,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,010.71 : 322,934.49 = 126,580.41 : x
  2. Step 2: Convert to fraction form
    234,010.71/322,934.49 = 126,580.41/x
  3. Step 3: Cross multiply
    234,010.71x = 322,934.49 × 126,580.41
  4. Step 4: Simplify right side
    234,010.71x = 40,877,180,147.34
  5. Step 5: Solve for x
    x = 40,877,180,147.34/234,010.71
  6. Step 6: Final answer
    x = 174,680.81

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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.