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Finding the Fourth Proportional to 176.92, 265.02 and 166.72

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Solution

The fourth proportional to 176.92, 265.02 and 166.72 is: 249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.92 : 265.02 = 166.72 : x
  2. Step 2: Convert to fraction form
    176.92/265.02 = 166.72/x
  3. Step 3: Cross multiply
    176.92x = 265.02 × 166.72
  4. Step 4: Simplify right side
    176.92x = 44,184.13
  5. Step 5: Solve for x
    x = 44,184.13/176.92
  6. Step 6: Final answer
    x = 249.74

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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.