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Finding the Fourth Proportional to 269,079.60, 403,446.60 and 111,370.80

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Solution

The fourth proportional to 269,079.60, 403,446.60 and 111,370.80 is: 166,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,079.60 : 403,446.60 = 111,370.80 : x
  2. Step 2: Convert to fraction form
    269,079.60/403,446.60 = 111,370.80/x
  3. Step 3: Cross multiply
    269,079.60x = 403,446.60 × 111,370.80
  4. Step 4: Simplify right side
    269,079.60x = 44,932,170,599.28
  5. Step 5: Solve for x
    x = 44,932,170,599.28/269,079.60
  6. Step 6: Final answer
    x = 166,984.68

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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.