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Finding the Fourth Proportional to 227,608.62, 341,456.87 and 87,356.31

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Solution

The fourth proportional to 227,608.62, 341,456.87 and 87,356.31 is: 131,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,608.62 : 341,456.87 = 87,356.31 : x
  2. Step 2: Convert to fraction form
    227,608.62/341,456.87 = 87,356.31/x
  3. Step 3: Cross multiply
    227,608.62x = 341,456.87 × 87,356.31
  4. Step 4: Simplify right side
    227,608.62x = 29,828,412,187.35
  5. Step 5: Solve for x
    x = 29,828,412,187.35/227,608.62
  6. Step 6: Final answer
    x = 131,051.33

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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.