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Finding the Fourth Proportional to 203.33, 304.48 and 111.93

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Solution

The fourth proportional to 203.33, 304.48 and 111.93 is: 167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.33 : 304.48 = 111.93 : x
  2. Step 2: Convert to fraction form
    203.33/304.48 = 111.93/x
  3. Step 3: Cross multiply
    203.33x = 304.48 × 111.93
  4. Step 4: Simplify right side
    203.33x = 34,080.45
  5. Step 5: Solve for x
    x = 34,080.45/203.33
  6. Step 6: Final answer
    x = 167.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.