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Finding the Fourth Proportional to 235.68, 353.52 and 73.37

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Solution

The fourth proportional to 235.68, 353.52 and 73.37 is: 110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.68 : 353.52 = 73.37 : x
  2. Step 2: Convert to fraction form
    235.68/353.52 = 73.37/x
  3. Step 3: Cross multiply
    235.68x = 353.52 × 73.37
  4. Step 4: Simplify right side
    235.68x = 25,935.99
  5. Step 5: Solve for x
    x = 25,935.99/235.68
  6. Step 6: Final answer
    x = 110.05

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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.