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Finding the Fourth Proportional to 224.36, 336.40 and 96

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Solution

The fourth proportional to 224.36, 336.40 and 96 is: 143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.36 : 336.40 = 96 : x
  2. Step 2: Convert to fraction form
    224.36/336.40 = 96/x
  3. Step 3: Cross multiply
    224.36x = 336.40 × 96
  4. Step 4: Simplify right side
    224.36x = 32,294.40
  5. Step 5: Solve for x
    x = 32,294.40/224.36
  6. Step 6: Final answer
    x = 143.94

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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.