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Finding the Fourth Proportional to 235.23, 324.68 and 168.81

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Solution

The fourth proportional to 235.23, 324.68 and 168.81 is: 233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.23 : 324.68 = 168.81 : x
  2. Step 2: Convert to fraction form
    235.23/324.68 = 168.81/x
  3. Step 3: Cross multiply
    235.23x = 324.68 × 168.81
  4. Step 4: Simplify right side
    235.23x = 54,808.39
  5. Step 5: Solve for x
    x = 54,808.39/235.23
  6. Step 6: Final answer
    x = 233.00

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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.