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Finding the Fourth Proportional to 188.46, 260.01 and 133.25

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Solution

The fourth proportional to 188.46, 260.01 and 133.25 is: 183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.46 : 260.01 = 133.25 : x
  2. Step 2: Convert to fraction form
    188.46/260.01 = 133.25/x
  3. Step 3: Cross multiply
    188.46x = 260.01 × 133.25
  4. Step 4: Simplify right side
    188.46x = 34,645.03
  5. Step 5: Solve for x
    x = 34,645.03/188.46
  6. Step 6: Final answer
    x = 183.83

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