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Finding the Fourth Proportional to 194.38, 293 and 174.54

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Solution

The fourth proportional to 194.38, 293 and 174.54 is: 263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.38 : 293 = 174.54 : x
  2. Step 2: Convert to fraction form
    194.38/293 = 174.54/x
  3. Step 3: Cross multiply
    194.38x = 293 × 174.54
  4. Step 4: Simplify right side
    194.38x = 51,140.22
  5. Step 5: Solve for x
    x = 51,140.22/194.38
  6. Step 6: Final answer
    x = 263.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.