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Finding the Fourth Proportional to 222.84, 334.08 and 94.50

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Solution

The fourth proportional to 222.84, 334.08 and 94.50 is: 141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.84 : 334.08 = 94.50 : x
  2. Step 2: Convert to fraction form
    222.84/334.08 = 94.50/x
  3. Step 3: Cross multiply
    222.84x = 334.08 × 94.50
  4. Step 4: Simplify right side
    222.84x = 31,570.56
  5. Step 5: Solve for x
    x = 31,570.56/222.84
  6. Step 6: Final answer
    x = 141.67

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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.