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Finding the Fourth Proportional to 194.01, 290.79 and 96.56

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Solution

The fourth proportional to 194.01, 290.79 and 96.56 is: 144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.01 : 290.79 = 96.56 : x
  2. Step 2: Convert to fraction form
    194.01/290.79 = 96.56/x
  3. Step 3: Cross multiply
    194.01x = 290.79 × 96.56
  4. Step 4: Simplify right side
    194.01x = 28,077.23
  5. Step 5: Solve for x
    x = 28,077.23/194.01
  6. Step 6: Final answer
    x = 144.72

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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.