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Finding the Fourth Proportional to 148.51, 222.61 and 94.44

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Solution

The fourth proportional to 148.51, 222.61 and 94.44 is: 141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.51 : 222.61 = 94.44 : x
  2. Step 2: Convert to fraction form
    148.51/222.61 = 94.44/x
  3. Step 3: Cross multiply
    148.51x = 222.61 × 94.44
  4. Step 4: Simplify right side
    148.51x = 21,023.29
  5. Step 5: Solve for x
    x = 21,023.29/148.51
  6. Step 6: Final answer
    x = 141.56

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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.