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Finding the Fourth Proportional to 272,481.26, 375,811.13 and 177,018.71

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Solution

The fourth proportional to 272,481.26, 375,811.13 and 177,018.71 is: 244,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,481.26 : 375,811.13 = 177,018.71 : x
  2. Step 2: Convert to fraction form
    272,481.26/375,811.13 = 177,018.71/x
  3. Step 3: Cross multiply
    272,481.26x = 375,811.13 × 177,018.71
  4. Step 4: Simplify right side
    272,481.26x = 66,525,600,551.15
  5. Step 5: Solve for x
    x = 66,525,600,551.15/272,481.26
  6. Step 6: Final answer
    x = 244,147.43

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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.