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Finding the Fourth Proportional to 267,910.78, 369,735.36 and 177,109.28

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Solution

The fourth proportional to 267,910.78, 369,735.36 and 177,109.28 is: 244,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,910.78 : 369,735.36 = 177,109.28 : x
  2. Step 2: Convert to fraction form
    267,910.78/369,735.36 = 177,109.28/x
  3. Step 3: Cross multiply
    267,910.78x = 369,735.36 × 177,109.28
  4. Step 4: Simplify right side
    267,910.78x = 65,483,563,400.14
  5. Step 5: Solve for x
    x = 65,483,563,400.14/267,910.78
  6. Step 6: Final answer
    x = 244,423.03

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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.