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Finding the Fourth Proportional to 175.08, 262.44 and 126.84

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Solution

The fourth proportional to 175.08, 262.44 and 126.84 is: 190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.08 : 262.44 = 126.84 : x
  2. Step 2: Convert to fraction form
    175.08/262.44 = 126.84/x
  3. Step 3: Cross multiply
    175.08x = 262.44 × 126.84
  4. Step 4: Simplify right side
    175.08x = 33,287.89
  5. Step 5: Solve for x
    x = 33,287.89/175.08
  6. Step 6: Final answer
    x = 190.13

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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.