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Finding the Fourth Proportional to 167,843.70, 231,623.70 and 92,392.20

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Solution

The fourth proportional to 167,843.70, 231,623.70 and 92,392.20 is: 127,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,843.70 : 231,623.70 = 92,392.20 : x
  2. Step 2: Convert to fraction form
    167,843.70/231,623.70 = 92,392.20/x
  3. Step 3: Cross multiply
    167,843.70x = 231,623.70 × 92,392.20
  4. Step 4: Simplify right side
    167,843.70x = 21,400,223,215.14
  5. Step 5: Solve for x
    x = 21,400,223,215.14/167,843.70
  6. Step 6: Final answer
    x = 127,500.90

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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.