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Finding the Fourth Proportional to 222.56, 333.95 and 114.35

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Solution

The fourth proportional to 222.56, 333.95 and 114.35 is: 171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.56 : 333.95 = 114.35 : x
  2. Step 2: Convert to fraction form
    222.56/333.95 = 114.35/x
  3. Step 3: Cross multiply
    222.56x = 333.95 × 114.35
  4. Step 4: Simplify right side
    222.56x = 38,185.91
  5. Step 5: Solve for x
    x = 38,185.91/222.56
  6. Step 6: Final answer
    x = 171.58

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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.