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Finding the Fourth Proportional to 365.93, 548.73 and 122.34

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Solution

The fourth proportional to 365.93, 548.73 and 122.34 is: 183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.93 : 548.73 = 122.34 : x
  2. Step 2: Convert to fraction form
    365.93/548.73 = 122.34/x
  3. Step 3: Cross multiply
    365.93x = 548.73 × 122.34
  4. Step 4: Simplify right side
    365.93x = 67,131.63
  5. Step 5: Solve for x
    x = 67,131.63/365.93
  6. Step 6: Final answer
    x = 183.46

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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.