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Finding the Fourth Proportional to 268,767.33, 370,939.73 and 161,396.56

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Solution

The fourth proportional to 268,767.33, 370,939.73 and 161,396.56 is: 222,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,767.33 : 370,939.73 = 161,396.56 : x
  2. Step 2: Convert to fraction form
    268,767.33/370,939.73 = 161,396.56/x
  3. Step 3: Cross multiply
    268,767.33x = 370,939.73 × 161,396.56
  4. Step 4: Simplify right side
    268,767.33x = 59,868,396,389.33
  5. Step 5: Solve for x
    x = 59,868,396,389.33/268,767.33
  6. Step 6: Final answer
    x = 222,751.76

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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.