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Finding the Fourth Proportional to 194.84, 292.28 and 50.56

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Solution

The fourth proportional to 194.84, 292.28 and 50.56 is: 75.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.84 : 292.28 = 50.56 : x
  2. Step 2: Convert to fraction form
    194.84/292.28 = 50.56/x
  3. Step 3: Cross multiply
    194.84x = 292.28 × 50.56
  4. Step 4: Simplify right side
    194.84x = 14,777.68
  5. Step 5: Solve for x
    x = 14,777.68/194.84
  6. Step 6: Final answer
    x = 75.85

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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.