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Finding the Fourth Proportional to 222.49, 333.74 and 60.18

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Solution

The fourth proportional to 222.49, 333.74 and 60.18 is: 90.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.49 : 333.74 = 60.18 : x
  2. Step 2: Convert to fraction form
    222.49/333.74 = 60.18/x
  3. Step 3: Cross multiply
    222.49x = 333.74 × 60.18
  4. Step 4: Simplify right side
    222.49x = 20,083.37
  5. Step 5: Solve for x
    x = 20,083.37/222.49
  6. Step 6: Final answer
    x = 90.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.