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Finding the Fourth Proportional to 340,771.97, 510,832.13 and 127,481.96

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Solution

The fourth proportional to 340,771.97, 510,832.13 and 127,481.96 is: 191,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,771.97 : 510,832.13 = 127,481.96 : x
  2. Step 2: Convert to fraction form
    340,771.97/510,832.13 = 127,481.96/x
  3. Step 3: Cross multiply
    340,771.97x = 510,832.13 × 127,481.96
  4. Step 4: Simplify right side
    340,771.97x = 65,121,877,971.80
  5. Step 5: Solve for x
    x = 65,121,877,971.80/340,771.97
  6. Step 6: Final answer
    x = 191,101.04

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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.