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Finding the Fourth Proportional to 269,380.64, 404,073 and 119,580.68

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Solution

The fourth proportional to 269,380.64, 404,073 and 119,580.68 is: 179,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,380.64 : 404,073 = 119,580.68 : x
  2. Step 2: Convert to fraction form
    269,380.64/404,073 = 119,580.68/x
  3. Step 3: Cross multiply
    269,380.64x = 404,073 × 119,580.68
  4. Step 4: Simplify right side
    269,380.64x = 48,319,324,109.64
  5. Step 5: Solve for x
    x = 48,319,324,109.64/269,380.64
  6. Step 6: Final answer
    x = 179,371.93

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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.