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Finding the Fourth Proportional to 167,736, 231,475.68 and 92,287.20

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Solution

The fourth proportional to 167,736, 231,475.68 and 92,287.20 is: 127,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,736 : 231,475.68 = 92,287.20 : x
  2. Step 2: Convert to fraction form
    167,736/231,475.68 = 92,287.20/x
  3. Step 3: Cross multiply
    167,736x = 231,475.68 × 92,287.20
  4. Step 4: Simplify right side
    167,736x = 21,362,242,375.30
  5. Step 5: Solve for x
    x = 21,362,242,375.30/167,736
  6. Step 6: Final answer
    x = 127,356.34

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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.