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Finding the Fourth Proportional to 176.22, 263.73 and 114.57

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Solution

The fourth proportional to 176.22, 263.73 and 114.57 is: 171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.22 : 263.73 = 114.57 : x
  2. Step 2: Convert to fraction form
    176.22/263.73 = 114.57/x
  3. Step 3: Cross multiply
    176.22x = 263.73 × 114.57
  4. Step 4: Simplify right side
    176.22x = 30,215.55
  5. Step 5: Solve for x
    x = 30,215.55/176.22
  6. Step 6: Final answer
    x = 171.46

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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.