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Finding the Fourth Proportional to 222.49, 333.53 and 107

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Solution

The fourth proportional to 222.49, 333.53 and 107 is: 160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.49 : 333.53 = 107 : x
  2. Step 2: Convert to fraction form
    222.49/333.53 = 107/x
  3. Step 3: Cross multiply
    222.49x = 333.53 × 107
  4. Step 4: Simplify right side
    222.49x = 35,687.18
  5. Step 5: Solve for x
    x = 35,687.18/222.49
  6. Step 6: Final answer
    x = 160.40

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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.