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Finding the Fourth Proportional to 168,181.70, 251,987.07 and 101,481.68

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Solution

The fourth proportional to 168,181.70, 251,987.07 and 101,481.68 is: 152,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,181.70 : 251,987.07 = 101,481.68 : x
  2. Step 2: Convert to fraction form
    168,181.70/251,987.07 = 101,481.68/x
  3. Step 3: Cross multiply
    168,181.70x = 251,987.07 × 101,481.68
  4. Step 4: Simplify right side
    168,181.70x = 25,572,071,201.88
  5. Step 5: Solve for x
    x = 25,572,071,201.88/168,181.70
  6. Step 6: Final answer
    x = 152,050.26

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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.