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Finding the Fourth Proportional to 192.06, 286.74 and 190.71

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Solution

The fourth proportional to 192.06, 286.74 and 190.71 is: 284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.06 : 286.74 = 190.71 : x
  2. Step 2: Convert to fraction form
    192.06/286.74 = 190.71/x
  3. Step 3: Cross multiply
    192.06x = 286.74 × 190.71
  4. Step 4: Simplify right side
    192.06x = 54,684.19
  5. Step 5: Solve for x
    x = 54,684.19/192.06
  6. Step 6: Final answer
    x = 284.72

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.