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Finding the Fourth Proportional to 175.96, 263.13 and 127.36

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Solution

The fourth proportional to 175.96, 263.13 and 127.36 is: 190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.96 : 263.13 = 127.36 : x
  2. Step 2: Convert to fraction form
    175.96/263.13 = 127.36/x
  3. Step 3: Cross multiply
    175.96x = 263.13 × 127.36
  4. Step 4: Simplify right side
    175.96x = 33,512.24
  5. Step 5: Solve for x
    x = 33,512.24/175.96
  6. Step 6: Final answer
    x = 190.45

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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.