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Finding the Fourth Proportional to 235.67, 353.50 and 73.36

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Solution

The fourth proportional to 235.67, 353.50 and 73.36 is: 110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.67 : 353.50 = 73.36 : x
  2. Step 2: Convert to fraction form
    235.67/353.50 = 73.36/x
  3. Step 3: Cross multiply
    235.67x = 353.50 × 73.36
  4. Step 4: Simplify right side
    235.67x = 25,933.02
  5. Step 5: Solve for x
    x = 25,933.02/235.67
  6. Step 6: Final answer
    x = 110.04

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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.