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Finding the Fourth Proportional to 188.33, 260.01 and 163.62

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Solution

The fourth proportional to 188.33, 260.01 and 163.62 is: 225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.33 : 260.01 = 163.62 : x
  2. Step 2: Convert to fraction form
    188.33/260.01 = 163.62/x
  3. Step 3: Cross multiply
    188.33x = 260.01 × 163.62
  4. Step 4: Simplify right side
    188.33x = 42,542.84
  5. Step 5: Solve for x
    x = 42,542.84/188.33
  6. Step 6: Final answer
    x = 225.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.