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Finding the Fourth Proportional to 269,588.10, 404,347 and 80,044.65

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Solution

The fourth proportional to 269,588.10, 404,347 and 80,044.65 is: 120,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,588.10 : 404,347 = 80,044.65 : x
  2. Step 2: Convert to fraction form
    269,588.10/404,347 = 80,044.65/x
  3. Step 3: Cross multiply
    269,588.10x = 404,347 × 80,044.65
  4. Step 4: Simplify right side
    269,588.10x = 32,365,814,093.55
  5. Step 5: Solve for x
    x = 32,365,814,093.55/269,588.10
  6. Step 6: Final answer
    x = 120,056.54

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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.