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Finding the Fourth Proportional to 229.14, 343.44 and 188.10

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Solution

The fourth proportional to 229.14, 343.44 and 188.10 is: 281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.14 : 343.44 = 188.10 : x
  2. Step 2: Convert to fraction form
    229.14/343.44 = 188.10/x
  3. Step 3: Cross multiply
    229.14x = 343.44 × 188.10
  4. Step 4: Simplify right side
    229.14x = 64,601.06
  5. Step 5: Solve for x
    x = 64,601.06/229.14
  6. Step 6: Final answer
    x = 281.93

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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.