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Finding the Fourth Proportional to 365.56, 548.26 and 122.02

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Solution

The fourth proportional to 365.56, 548.26 and 122.02 is: 183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.56 : 548.26 = 122.02 : x
  2. Step 2: Convert to fraction form
    365.56/548.26 = 122.02/x
  3. Step 3: Cross multiply
    365.56x = 548.26 × 122.02
  4. Step 4: Simplify right side
    365.56x = 66,898.69
  5. Step 5: Solve for x
    x = 66,898.69/365.56
  6. Step 6: Final answer
    x = 183.00

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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.