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Finding the Fourth Proportional to 269,600.90, 404,255.55 and 111,845.30

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Solution

The fourth proportional to 269,600.90, 404,255.55 and 111,845.30 is: 167,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,600.90 : 404,255.55 = 111,845.30 : x
  2. Step 2: Convert to fraction form
    269,600.90/404,255.55 = 111,845.30/x
  3. Step 3: Cross multiply
    269,600.90x = 404,255.55 × 111,845.30
  4. Step 4: Simplify right side
    269,600.90x = 45,214,083,266.42
  5. Step 5: Solve for x
    x = 45,214,083,266.42/269,600.90
  6. Step 6: Final answer
    x = 167,707.46

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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.