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Finding the Fourth Proportional to 193.84, 290.73 and 96.31

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Solution

The fourth proportional to 193.84, 290.73 and 96.31 is: 144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.84 : 290.73 = 96.31 : x
  2. Step 2: Convert to fraction form
    193.84/290.73 = 96.31/x
  3. Step 3: Cross multiply
    193.84x = 290.73 × 96.31
  4. Step 4: Simplify right side
    193.84x = 27,999.00
  5. Step 5: Solve for x
    x = 27,999.00/193.84
  6. Step 6: Final answer
    x = 144.44

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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.