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Finding the Fourth Proportional to 144.24, 216.37 and 36.04

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Solution

The fourth proportional to 144.24, 216.37 and 36.04 is: 54.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.24 : 216.37 = 36.04 : x
  2. Step 2: Convert to fraction form
    144.24/216.37 = 36.04/x
  3. Step 3: Cross multiply
    144.24x = 216.37 × 36.04
  4. Step 4: Simplify right side
    144.24x = 7,796.89
  5. Step 5: Solve for x
    x = 7,796.89/144.24
  6. Step 6: Final answer
    x = 54.05

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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.