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Finding the Fourth Proportional to 365.54, 548.33 and 159.99

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Solution

The fourth proportional to 365.54, 548.33 and 159.99 is: 239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.54 : 548.33 = 159.99 : x
  2. Step 2: Convert to fraction form
    365.54/548.33 = 159.99/x
  3. Step 3: Cross multiply
    365.54x = 548.33 × 159.99
  4. Step 4: Simplify right side
    365.54x = 87,726.52
  5. Step 5: Solve for x
    x = 87,726.52/365.54
  6. Step 6: Final answer
    x = 239.99

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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.