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Finding the Fourth Proportional to 194.00, 290.84 and 96.43

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Solution

The fourth proportional to 194.00, 290.84 and 96.43 is: 144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.00 : 290.84 = 96.43 : x
  2. Step 2: Convert to fraction form
    194.00/290.84 = 96.43/x
  3. Step 3: Cross multiply
    194.00x = 290.84 × 96.43
  4. Step 4: Simplify right side
    194.00x = 28,044.49
  5. Step 5: Solve for x
    x = 28,044.49/194.00
  6. Step 6: Final answer
    x = 144.56

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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.