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Finding the Fourth Proportional to 168,183.89, 251,990.35 and 101,483.86

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Solution

The fourth proportional to 168,183.89, 251,990.35 and 101,483.86 is: 152,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,183.89 : 251,990.35 = 101,483.86 : x
  2. Step 2: Convert to fraction form
    168,183.89/251,990.35 = 101,483.86/x
  3. Step 3: Cross multiply
    168,183.89x = 251,990.35 × 101,483.86
  4. Step 4: Simplify right side
    168,183.89x = 25,572,953,400.75
  5. Step 5: Solve for x
    x = 25,572,953,400.75/168,183.89
  6. Step 6: Final answer
    x = 152,053.53

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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.