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Finding the Fourth Proportional to 224.50, 336.75 and 96.25

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Solution

The fourth proportional to 224.50, 336.75 and 96.25 is: 144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.50 : 336.75 = 96.25 : x
  2. Step 2: Convert to fraction form
    224.50/336.75 = 96.25/x
  3. Step 3: Cross multiply
    224.50x = 336.75 × 96.25
  4. Step 4: Simplify right side
    224.50x = 32,412.19
  5. Step 5: Solve for x
    x = 32,412.19/224.50
  6. Step 6: Final answer
    x = 144.38

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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.