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Finding the Fourth Proportional to 188.53, 282.49 and 134.19

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Solution

The fourth proportional to 188.53, 282.49 and 134.19 is: 201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.53 : 282.49 = 134.19 : x
  2. Step 2: Convert to fraction form
    188.53/282.49 = 134.19/x
  3. Step 3: Cross multiply
    188.53x = 282.49 × 134.19
  4. Step 4: Simplify right side
    188.53x = 37,907.00
  5. Step 5: Solve for x
    x = 37,907.00/188.53
  6. Step 6: Final answer
    x = 201.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.