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Finding the Fourth Proportional to 161,234.70, 222,418.89 and 95,786.16

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Solution

The fourth proportional to 161,234.70, 222,418.89 and 95,786.16 is: 132,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,234.70 : 222,418.89 = 95,786.16 : x
  2. Step 2: Convert to fraction form
    161,234.70/222,418.89 = 95,786.16/x
  3. Step 3: Cross multiply
    161,234.70x = 222,418.89 × 95,786.16
  4. Step 4: Simplify right side
    161,234.70x = 21,304,651,384.56
  5. Step 5: Solve for x
    x = 21,304,651,384.56/161,234.70
  6. Step 6: Final answer
    x = 132,134.41

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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.