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Finding the Fourth Proportional to 194.83, 292.34 and 141.17

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Solution

The fourth proportional to 194.83, 292.34 and 141.17 is: 211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.83 : 292.34 = 141.17 : x
  2. Step 2: Convert to fraction form
    194.83/292.34 = 141.17/x
  3. Step 3: Cross multiply
    194.83x = 292.34 × 141.17
  4. Step 4: Simplify right side
    194.83x = 41,268.53
  5. Step 5: Solve for x
    x = 41,268.53/194.83
  6. Step 6: Final answer
    x = 211.82

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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.