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Finding the Fourth Proportional to 139,705.44, 209,556.11 and 34,524.41

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Solution

The fourth proportional to 139,705.44, 209,556.11 and 34,524.41 is: 51,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,705.44 : 209,556.11 = 34,524.41 : x
  2. Step 2: Convert to fraction form
    139,705.44/209,556.11 = 34,524.41/x
  3. Step 3: Cross multiply
    139,705.44x = 209,556.11 × 34,524.41
  4. Step 4: Simplify right side
    139,705.44x = 7,234,801,059.65
  5. Step 5: Solve for x
    x = 7,234,801,059.65/139,705.44
  6. Step 6: Final answer
    x = 51,786.11

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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.