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Finding the Fourth Proportional to 235.59, 353.33 and 73.27

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Solution

The fourth proportional to 235.59, 353.33 and 73.27 is: 109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.59 : 353.33 = 73.27 : x
  2. Step 2: Convert to fraction form
    235.59/353.33 = 73.27/x
  3. Step 3: Cross multiply
    235.59x = 353.33 × 73.27
  4. Step 4: Simplify right side
    235.59x = 25,888.49
  5. Step 5: Solve for x
    x = 25,888.49/235.59
  6. Step 6: Final answer
    x = 109.89

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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.