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Finding the Fourth Proportional to 224.53, 336.56 and 102.69

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Solution

The fourth proportional to 224.53, 336.56 and 102.69 is: 153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.53 : 336.56 = 102.69 : x
  2. Step 2: Convert to fraction form
    224.53/336.56 = 102.69/x
  3. Step 3: Cross multiply
    224.53x = 336.56 × 102.69
  4. Step 4: Simplify right side
    224.53x = 34,560.83
  5. Step 5: Solve for x
    x = 34,560.83/224.53
  6. Step 6: Final answer
    x = 153.93

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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.