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Finding the Fourth Proportional to 235.29, 352.77 and 144.03

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Solution

The fourth proportional to 235.29, 352.77 and 144.03 is: 215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.29 : 352.77 = 144.03 : x
  2. Step 2: Convert to fraction form
    235.29/352.77 = 144.03/x
  3. Step 3: Cross multiply
    235.29x = 352.77 × 144.03
  4. Step 4: Simplify right side
    235.29x = 50,809.46
  5. Step 5: Solve for x
    x = 50,809.46/235.29
  6. Step 6: Final answer
    x = 215.94

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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.