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Finding the Fourth Proportional to 236,173.71, 354,227.43 and 67,708.41

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Solution

The fourth proportional to 236,173.71, 354,227.43 and 67,708.41 is: 101,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,173.71 : 354,227.43 = 67,708.41 : x
  2. Step 2: Convert to fraction form
    236,173.71/354,227.43 = 67,708.41/x
  3. Step 3: Cross multiply
    236,173.71x = 354,227.43 × 67,708.41
  4. Step 4: Simplify right side
    236,173.71x = 23,984,176,063.69
  5. Step 5: Solve for x
    x = 23,984,176,063.69/236,173.71
  6. Step 6: Final answer
    x = 101,553.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.