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Finding the Fourth Proportional to 176.93, 266.67 and 167

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Solution

The fourth proportional to 176.93, 266.67 and 167 is: 251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.93 : 266.67 = 167 : x
  2. Step 2: Convert to fraction form
    176.93/266.67 = 167/x
  3. Step 3: Cross multiply
    176.93x = 266.67 × 167
  4. Step 4: Simplify right side
    176.93x = 44,533.89
  5. Step 5: Solve for x
    x = 44,533.89/176.93
  6. Step 6: Final answer
    x = 251.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.