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Finding the Fourth Proportional to 269,797.31, 404,600.94 and 89,833.88

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Solution

The fourth proportional to 269,797.31, 404,600.94 and 89,833.88 is: 134,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,797.31 : 404,600.94 = 89,833.88 : x
  2. Step 2: Convert to fraction form
    269,797.31/404,600.94 = 89,833.88/x
  3. Step 3: Cross multiply
    269,797.31x = 404,600.94 × 89,833.88
  4. Step 4: Simplify right side
    269,797.31x = 36,346,872,291.85
  5. Step 5: Solve for x
    x = 36,346,872,291.85/269,797.31
  6. Step 6: Final answer
    x = 134,719.18

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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.