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Finding the Fourth Proportional to 194.59, 291.57 and 151.37

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Solution

The fourth proportional to 194.59, 291.57 and 151.37 is: 226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.59 : 291.57 = 151.37 : x
  2. Step 2: Convert to fraction form
    194.59/291.57 = 151.37/x
  3. Step 3: Cross multiply
    194.59x = 291.57 × 151.37
  4. Step 4: Simplify right side
    194.59x = 44,135.30
  5. Step 5: Solve for x
    x = 44,135.30/194.59
  6. Step 6: Final answer
    x = 226.82

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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.