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Finding the Fourth Proportional to 168,369.99, 252,624.24 and 123,619.86

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Solution

The fourth proportional to 168,369.99, 252,624.24 and 123,619.86 is: 185,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,369.99 : 252,624.24 = 123,619.86 : x
  2. Step 2: Convert to fraction form
    168,369.99/252,624.24 = 123,619.86/x
  3. Step 3: Cross multiply
    168,369.99x = 252,624.24 × 123,619.86
  4. Step 4: Simplify right side
    168,369.99x = 31,229,373,181.41
  5. Step 5: Solve for x
    x = 31,229,373,181.41/168,369.99
  6. Step 6: Final answer
    x = 185,480.64

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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.