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Finding the Fourth Proportional to 176.22, 262.94 and 175.20

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Solution

The fourth proportional to 176.22, 262.94 and 175.20 is: 261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.22 : 262.94 = 175.20 : x
  2. Step 2: Convert to fraction form
    176.22/262.94 = 175.20/x
  3. Step 3: Cross multiply
    176.22x = 262.94 × 175.20
  4. Step 4: Simplify right side
    176.22x = 46,066.21
  5. Step 5: Solve for x
    x = 46,066.21/176.22
  6. Step 6: Final answer
    x = 261.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.