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Finding the Fourth Proportional to 222.93, 333.63 and 154.53

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Solution

The fourth proportional to 222.93, 333.63 and 154.53 is: 231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.93 : 333.63 = 154.53 : x
  2. Step 2: Convert to fraction form
    222.93/333.63 = 154.53/x
  3. Step 3: Cross multiply
    222.93x = 333.63 × 154.53
  4. Step 4: Simplify right side
    222.93x = 51,555.84
  5. Step 5: Solve for x
    x = 51,555.84/222.93
  6. Step 6: Final answer
    x = 231.26

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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.