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Finding the Fourth Proportional to 144.11, 216.14 and 41.37

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Solution

The fourth proportional to 144.11, 216.14 and 41.37 is: 62.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.11 : 216.14 = 41.37 : x
  2. Step 2: Convert to fraction form
    144.11/216.14 = 41.37/x
  3. Step 3: Cross multiply
    144.11x = 216.14 × 41.37
  4. Step 4: Simplify right side
    144.11x = 8,941.50
  5. Step 5: Solve for x
    x = 8,941.50/144.11
  6. Step 6: Final answer
    x = 62.05

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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.