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Finding the Fourth Proportional to 224,481.40, 309,898.62 and 173,379.42

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Solution

The fourth proportional to 224,481.40, 309,898.62 and 173,379.42 is: 239,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,481.40 : 309,898.62 = 173,379.42 : x
  2. Step 2: Convert to fraction form
    224,481.40/309,898.62 = 173,379.42/x
  3. Step 3: Cross multiply
    224,481.40x = 309,898.62 × 173,379.42
  4. Step 4: Simplify right side
    224,481.40x = 53,730,042,994.40
  5. Step 5: Solve for x
    x = 53,730,042,994.40/224,481.40
  6. Step 6: Final answer
    x = 239,351.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.