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Finding the Fourth Proportional to 367.46, 551.22 and 123.99

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Solution

The fourth proportional to 367.46, 551.22 and 123.99 is: 186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.46 : 551.22 = 123.99 : x
  2. Step 2: Convert to fraction form
    367.46/551.22 = 123.99/x
  3. Step 3: Cross multiply
    367.46x = 551.22 × 123.99
  4. Step 4: Simplify right side
    367.46x = 68,345.77
  5. Step 5: Solve for x
    x = 68,345.77/367.46
  6. Step 6: Final answer
    x = 186.00

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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.