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Finding the Fourth Proportional to 167,843.37, 231,628.71 and 91,367.43

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Solution

The fourth proportional to 167,843.37, 231,628.71 and 91,367.43 is: 126,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,843.37 : 231,628.71 = 91,367.43 : x
  2. Step 2: Convert to fraction form
    167,843.37/231,628.71 = 91,367.43/x
  3. Step 3: Cross multiply
    167,843.37x = 231,628.71 × 91,367.43
  4. Step 4: Simplify right side
    167,843.37x = 21,163,319,946.92
  5. Step 5: Solve for x
    x = 21,163,319,946.92/167,843.37
  6. Step 6: Final answer
    x = 126,089.70

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1.5x scale

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.