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Finding the Fourth Proportional to 194.86, 292.26 and 50.59

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Solution

The fourth proportional to 194.86, 292.26 and 50.59 is: 75.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.86 : 292.26 = 50.59 : x
  2. Step 2: Convert to fraction form
    194.86/292.26 = 50.59/x
  3. Step 3: Cross multiply
    194.86x = 292.26 × 50.59
  4. Step 4: Simplify right side
    194.86x = 14,783.97
  5. Step 5: Solve for x
    x = 14,783.97/194.86
  6. Step 6: Final answer
    x = 75.87

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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.