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Finding the Fourth Proportional to 247,755.72, 341,714.52 and 171,401.88

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Solution

The fourth proportional to 247,755.72, 341,714.52 and 171,401.88 is: 236,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,755.72 : 341,714.52 = 171,401.88 : x
  2. Step 2: Convert to fraction form
    247,755.72/341,714.52 = 171,401.88/x
  3. Step 3: Cross multiply
    247,755.72x = 341,714.52 × 171,401.88
  4. Step 4: Simplify right side
    247,755.72x = 58,570,511,151.30
  5. Step 5: Solve for x
    x = 58,570,511,151.30/247,755.72
  6. Step 6: Final answer
    x = 236,404.27

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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.