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Finding the Fourth Proportional to 141.23, 194.79 and 94.59

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Solution

The fourth proportional to 141.23, 194.79 and 94.59 is: 130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.23 : 194.79 = 94.59 : x
  2. Step 2: Convert to fraction form
    141.23/194.79 = 94.59/x
  3. Step 3: Cross multiply
    141.23x = 194.79 × 94.59
  4. Step 4: Simplify right side
    141.23x = 18,425.19
  5. Step 5: Solve for x
    x = 18,425.19/141.23
  6. Step 6: Final answer
    x = 130.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.