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Finding the Fourth Proportional to 168,181.89, 251,987.36 and 101,481.86

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Solution

The fourth proportional to 168,181.89, 251,987.36 and 101,481.86 is: 152,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,181.89 : 251,987.36 = 101,481.86 : x
  2. Step 2: Convert to fraction form
    168,181.89/251,987.36 = 101,481.86/x
  3. Step 3: Cross multiply
    168,181.89x = 251,987.36 × 101,481.86
  4. Step 4: Simplify right side
    168,181.89x = 25,572,146,111.85
  5. Step 5: Solve for x
    x = 25,572,146,111.85/168,181.89
  6. Step 6: Final answer
    x = 152,050.54

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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.