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Finding the Fourth Proportional to 144.83, 217 and 93.59

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Solution

The fourth proportional to 144.83, 217 and 93.59 is: 140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.83 : 217 = 93.59 : x
  2. Step 2: Convert to fraction form
    144.83/217 = 93.59/x
  3. Step 3: Cross multiply
    144.83x = 217 × 93.59
  4. Step 4: Simplify right side
    144.83x = 20,309.03
  5. Step 5: Solve for x
    x = 20,309.03/144.83
  6. Step 6: Final answer
    x = 140.23

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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.