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Finding the Fourth Proportional to 341,930.80, 512,896.17 and 92,612.80

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Solution

The fourth proportional to 341,930.80, 512,896.17 and 92,612.80 is: 138,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,930.80 : 512,896.17 = 92,612.80 : x
  2. Step 2: Convert to fraction form
    341,930.80/512,896.17 = 92,612.80/x
  3. Step 3: Cross multiply
    341,930.80x = 512,896.17 × 92,612.80
  4. Step 4: Simplify right side
    341,930.80x = 47,500,750,412.98
  5. Step 5: Solve for x
    x = 47,500,750,412.98/341,930.80
  6. Step 6: Final answer
    x = 138,919.19

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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.