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Finding the Fourth Proportional to 222.11, 332.99 and 106.46

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Solution

The fourth proportional to 222.11, 332.99 and 106.46 is: 159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.11 : 332.99 = 106.46 : x
  2. Step 2: Convert to fraction form
    222.11/332.99 = 106.46/x
  3. Step 3: Cross multiply
    222.11x = 332.99 × 106.46
  4. Step 4: Simplify right side
    222.11x = 35,447.92
  5. Step 5: Solve for x
    x = 35,447.92/222.11
  6. Step 6: Final answer
    x = 159.60

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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.