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Finding the Fourth Proportional to 272,662.86, 408,996.34 and 95,170.04

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Solution

The fourth proportional to 272,662.86, 408,996.34 and 95,170.04 is: 142,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,662.86 : 408,996.34 = 95,170.04 : x
  2. Step 2: Convert to fraction form
    272,662.86/408,996.34 = 95,170.04/x
  3. Step 3: Cross multiply
    272,662.86x = 408,996.34 × 95,170.04
  4. Step 4: Simplify right side
    272,662.86x = 38,924,197,288.48
  5. Step 5: Solve for x
    x = 38,924,197,288.48/272,662.86
  6. Step 6: Final answer
    x = 142,755.77

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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.