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Finding the Fourth Proportional to 168,668.01, 232,739.30 and 108,320.37

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Solution

The fourth proportional to 168,668.01, 232,739.30 and 108,320.37 is: 149,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,668.01 : 232,739.30 = 108,320.37 : x
  2. Step 2: Convert to fraction form
    168,668.01/232,739.30 = 108,320.37/x
  3. Step 3: Cross multiply
    168,668.01x = 232,739.30 × 108,320.37
  4. Step 4: Simplify right side
    168,668.01x = 25,210,407,089.54
  5. Step 5: Solve for x
    x = 25,210,407,089.54/168,668.01
  6. Step 6: Final answer
    x = 149,467.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.