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Finding the Fourth Proportional to 176.94, 264.90 and 122.73

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Solution

The fourth proportional to 176.94, 264.90 and 122.73 is: 183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.94 : 264.90 = 122.73 : x
  2. Step 2: Convert to fraction form
    176.94/264.90 = 122.73/x
  3. Step 3: Cross multiply
    176.94x = 264.90 × 122.73
  4. Step 4: Simplify right side
    176.94x = 32,511.18
  5. Step 5: Solve for x
    x = 32,511.18/176.94
  6. Step 6: Final answer
    x = 183.74

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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.