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Finding the Fourth Proportional to 194.04, 291 and 96.54

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Solution

The fourth proportional to 194.04, 291 and 96.54 is: 144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.04 : 291 = 96.54 : x
  2. Step 2: Convert to fraction form
    194.04/291 = 96.54/x
  3. Step 3: Cross multiply
    194.04x = 291 × 96.54
  4. Step 4: Simplify right side
    194.04x = 28,093.14
  5. Step 5: Solve for x
    x = 28,093.14/194.04
  6. Step 6: Final answer
    x = 144.78

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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.