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Finding the Fourth Proportional to 193.01, 289.52 and 106.33

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Solution

The fourth proportional to 193.01, 289.52 and 106.33 is: 159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.01 : 289.52 = 106.33 : x
  2. Step 2: Convert to fraction form
    193.01/289.52 = 106.33/x
  3. Step 3: Cross multiply
    193.01x = 289.52 × 106.33
  4. Step 4: Simplify right side
    193.01x = 30,784.05
  5. Step 5: Solve for x
    x = 30,784.05/193.01
  6. Step 6: Final answer
    x = 159.50

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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.