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Finding the Fourth Proportional to 269,420.32, 404,132.48 and 119,620.32

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Solution

The fourth proportional to 269,420.32, 404,132.48 and 119,620.32 is: 179,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,420.32 : 404,132.48 = 119,620.32 : x
  2. Step 2: Convert to fraction form
    269,420.32/404,132.48 = 119,620.32/x
  3. Step 3: Cross multiply
    269,420.32x = 404,132.48 × 119,620.32
  4. Step 4: Simplify right side
    269,420.32x = 48,342,456,579.99
  5. Step 5: Solve for x
    x = 48,342,456,579.99/269,420.32
  6. Step 6: Final answer
    x = 179,431.37

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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.