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Finding the Fourth Proportional to 251,879.62, 377,818.98 and 172,753.96

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Solution

The fourth proportional to 251,879.62, 377,818.98 and 172,753.96 is: 259,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,879.62 : 377,818.98 = 172,753.96 : x
  2. Step 2: Convert to fraction form
    251,879.62/377,818.98 = 172,753.96/x
  3. Step 3: Cross multiply
    251,879.62x = 377,818.98 × 172,753.96
  4. Step 4: Simplify right side
    251,879.62x = 65,269,724,958.16
  5. Step 5: Solve for x
    x = 65,269,724,958.16/251,879.62
  6. Step 6: Final answer
    x = 259,130.63

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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.