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Finding the Fourth Proportional to 224.67, 336.56 and 102.77

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Solution

The fourth proportional to 224.67, 336.56 and 102.77 is: 153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.67 : 336.56 = 102.77 : x
  2. Step 2: Convert to fraction form
    224.67/336.56 = 102.77/x
  3. Step 3: Cross multiply
    224.67x = 336.56 × 102.77
  4. Step 4: Simplify right side
    224.67x = 34,586.07
  5. Step 5: Solve for x
    x = 34,586.07/224.67
  6. Step 6: Final answer
    x = 153.94

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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.