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Finding the Fourth Proportional to 224.63, 336.89 and 127.06

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Solution

The fourth proportional to 224.63, 336.89 and 127.06 is: 190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.63 : 336.89 = 127.06 : x
  2. Step 2: Convert to fraction form
    224.63/336.89 = 127.06/x
  3. Step 3: Cross multiply
    224.63x = 336.89 × 127.06
  4. Step 4: Simplify right side
    224.63x = 42,804.72
  5. Step 5: Solve for x
    x = 42,804.72/224.63
  6. Step 6: Final answer
    x = 190.56

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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.