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Finding the Fourth Proportional to 126.33, 189.53 and 94.26

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Solution

The fourth proportional to 126.33, 189.53 and 94.26 is: 141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.33 : 189.53 = 94.26 : x
  2. Step 2: Convert to fraction form
    126.33/189.53 = 94.26/x
  3. Step 3: Cross multiply
    126.33x = 189.53 × 94.26
  4. Step 4: Simplify right side
    126.33x = 17,864.63
  5. Step 5: Solve for x
    x = 17,864.63/126.33
  6. Step 6: Final answer
    x = 141.41

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