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Finding the Fourth Proportional to 159.24, 238.89 and 94.22

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Solution

The fourth proportional to 159.24, 238.89 and 94.22 is: 141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.24 : 238.89 = 94.22 : x
  2. Step 2: Convert to fraction form
    159.24/238.89 = 94.22/x
  3. Step 3: Cross multiply
    159.24x = 238.89 × 94.22
  4. Step 4: Simplify right side
    159.24x = 22,507.02
  5. Step 5: Solve for x
    x = 22,507.02/159.24
  6. Step 6: Final answer
    x = 141.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.