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Finding the Fourth Proportional to 223.36, 335 and 127.36

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Solution

The fourth proportional to 223.36, 335 and 127.36 is: 191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.36 : 335 = 127.36 : x
  2. Step 2: Convert to fraction form
    223.36/335 = 127.36/x
  3. Step 3: Cross multiply
    223.36x = 335 × 127.36
  4. Step 4: Simplify right side
    223.36x = 42,665.60
  5. Step 5: Solve for x
    x = 42,665.60/223.36
  6. Step 6: Final answer
    x = 191.02

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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.