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Finding the Fourth Proportional to 225,802.44, 338,640.42 and 68,007.96

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Solution

The fourth proportional to 225,802.44, 338,640.42 and 68,007.96 is: 101,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,802.44 : 338,640.42 = 68,007.96 : x
  2. Step 2: Convert to fraction form
    225,802.44/338,640.42 = 68,007.96/x
  3. Step 3: Cross multiply
    225,802.44x = 338,640.42 × 68,007.96
  4. Step 4: Simplify right side
    225,802.44x = 23,030,244,137.74
  5. Step 5: Solve for x
    x = 23,030,244,137.74/225,802.44
  6. Step 6: Final answer
    x = 101,992.89

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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.