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Finding the Fourth Proportional to 168,668.06, 252,797.46 and 123,879.48

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Solution

The fourth proportional to 168,668.06, 252,797.46 and 123,879.48 is: 185,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,668.06 : 252,797.46 = 123,879.48 : x
  2. Step 2: Convert to fraction form
    168,668.06/252,797.46 = 123,879.48/x
  3. Step 3: Cross multiply
    168,668.06x = 252,797.46 × 123,879.48
  4. Step 4: Simplify right side
    168,668.06x = 31,316,416,477.58
  5. Step 5: Solve for x
    x = 31,316,416,477.58/168,668.06
  6. Step 6: Final answer
    x = 185,668.93

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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.