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Finding the Fourth Proportional to 373,712.14, 560,234.82 and 136,999.54

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Solution

The fourth proportional to 373,712.14, 560,234.82 and 136,999.54 is: 205,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,712.14 : 560,234.82 = 136,999.54 : x
  2. Step 2: Convert to fraction form
    373,712.14/560,234.82 = 136,999.54/x
  3. Step 3: Cross multiply
    373,712.14x = 560,234.82 × 136,999.54
  4. Step 4: Simplify right side
    373,712.14x = 76,751,912,631.98
  5. Step 5: Solve for x
    x = 76,751,912,631.98/373,712.14
  6. Step 6: Final answer
    x = 205,377.09

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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.