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Finding the Fourth Proportional to 148.82, 222.77 and 94.46

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Solution

The fourth proportional to 148.82, 222.77 and 94.46 is: 141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.82 : 222.77 = 94.46 : x
  2. Step 2: Convert to fraction form
    148.82/222.77 = 94.46/x
  3. Step 3: Cross multiply
    148.82x = 222.77 × 94.46
  4. Step 4: Simplify right side
    148.82x = 21,041.27
  5. Step 5: Solve for x
    x = 21,041.27/148.82
  6. Step 6: Final answer
    x = 141.39

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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.