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Finding the Fourth Proportional to 235.93, 353.96 and 73.61

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Solution

The fourth proportional to 235.93, 353.96 and 73.61 is: 110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.93 : 353.96 = 73.61 : x
  2. Step 2: Convert to fraction form
    235.93/353.96 = 73.61/x
  3. Step 3: Cross multiply
    235.93x = 353.96 × 73.61
  4. Step 4: Simplify right side
    235.93x = 26,055.00
  5. Step 5: Solve for x
    x = 26,055.00/235.93
  6. Step 6: Final answer
    x = 110.44

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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.