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Finding the Fourth Proportional to 341,687.20, 512,676.60 and 164,102.80

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Solution

The fourth proportional to 341,687.20, 512,676.60 and 164,102.80 is: 246,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,687.20 : 512,676.60 = 164,102.80 : x
  2. Step 2: Convert to fraction form
    341,687.20/512,676.60 = 164,102.80/x
  3. Step 3: Cross multiply
    341,687.20x = 512,676.60 × 164,102.80
  4. Step 4: Simplify right side
    341,687.20x = 84,131,665,554.48
  5. Step 5: Solve for x
    x = 84,131,665,554.48/341,687.20
  6. Step 6: Final answer
    x = 246,224.22

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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.