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Finding the Fourth Proportional to 174,874.20, 262,311.30 and 132,883.80

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Solution

The fourth proportional to 174,874.20, 262,311.30 and 132,883.80 is: 199,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,874.20 : 262,311.30 = 132,883.80 : x
  2. Step 2: Convert to fraction form
    174,874.20/262,311.30 = 132,883.80/x
  3. Step 3: Cross multiply
    174,874.20x = 262,311.30 × 132,883.80
  4. Step 4: Simplify right side
    174,874.20x = 34,856,922,326.94
  5. Step 5: Solve for x
    x = 34,856,922,326.94/174,874.20
  6. Step 6: Final answer
    x = 199,325.70

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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.