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Finding the Fourth Proportional to 240,706.38, 332,180.01 and 131,815.31

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Solution

The fourth proportional to 240,706.38, 332,180.01 and 131,815.31 is: 181,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,706.38 : 332,180.01 = 131,815.31 : x
  2. Step 2: Convert to fraction form
    240,706.38/332,180.01 = 131,815.31/x
  3. Step 3: Cross multiply
    240,706.38x = 332,180.01 × 131,815.31
  4. Step 4: Simplify right side
    240,706.38x = 43,786,410,334.88
  5. Step 5: Solve for x
    x = 43,786,410,334.88/240,706.38
  6. Step 6: Final answer
    x = 181,907.98

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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.