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Finding the Fourth Proportional to 174.41, 240.73 and 122.00

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Solution

The fourth proportional to 174.41, 240.73 and 122.00 is: 168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.41 : 240.73 = 122.00 : x
  2. Step 2: Convert to fraction form
    174.41/240.73 = 122.00/x
  3. Step 3: Cross multiply
    174.41x = 240.73 × 122.00
  4. Step 4: Simplify right side
    174.41x = 29,368.24
  5. Step 5: Solve for x
    x = 29,368.24/174.41
  6. Step 6: Final answer
    x = 168.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.