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Finding the Fourth Proportional to 175.22, 262.18 and 127.02

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Solution

The fourth proportional to 175.22, 262.18 and 127.02 is: 190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.22 : 262.18 = 127.02 : x
  2. Step 2: Convert to fraction form
    175.22/262.18 = 127.02/x
  3. Step 3: Cross multiply
    175.22x = 262.18 × 127.02
  4. Step 4: Simplify right side
    175.22x = 33,302.10
  5. Step 5: Solve for x
    x = 33,302.10/175.22
  6. Step 6: Final answer
    x = 190.06

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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.