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Finding the Fourth Proportional to 168,055.71, 231,976.35 and 150,119.58

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Solution

The fourth proportional to 168,055.71, 231,976.35 and 150,119.58 is: 207,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,055.71 : 231,976.35 = 150,119.58 : x
  2. Step 2: Convert to fraction form
    168,055.71/231,976.35 = 150,119.58/x
  3. Step 3: Cross multiply
    168,055.71x = 231,976.35 × 150,119.58
  4. Step 4: Simplify right side
    168,055.71x = 34,824,192,231.93
  5. Step 5: Solve for x
    x = 34,824,192,231.93/168,055.71
  6. Step 6: Final answer
    x = 207,218.14

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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.