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Finding the Fourth Proportional to 269,434.92, 404,074.30 and 91,937.96

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Solution

The fourth proportional to 269,434.92, 404,074.30 and 91,937.96 is: 137,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,434.92 : 404,074.30 = 91,937.96 : x
  2. Step 2: Convert to fraction form
    269,434.92/404,074.30 = 91,937.96/x
  3. Step 3: Cross multiply
    269,434.92x = 404,074.30 × 91,937.96
  4. Step 4: Simplify right side
    269,434.92x = 37,149,766,830.43
  5. Step 5: Solve for x
    x = 37,149,766,830.43/269,434.92
  6. Step 6: Final answer
    x = 137,880.30

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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.