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Finding the Fourth Proportional to 94.49, 141.67 and 58.35

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Solution

The fourth proportional to 94.49, 141.67 and 58.35 is: 87.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.49 : 141.67 = 58.35 : x
  2. Step 2: Convert to fraction form
    94.49/141.67 = 58.35/x
  3. Step 3: Cross multiply
    94.49x = 141.67 × 58.35
  4. Step 4: Simplify right side
    94.49x = 8,265.44
  5. Step 5: Solve for x
    x = 8,265.44/94.49
  6. Step 6: Final answer
    x = 87.47

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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.