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Finding the Fourth Proportional to 148.22, 222.08 and 94

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Solution

The fourth proportional to 148.22, 222.08 and 94 is: 140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.22 : 222.08 = 94 : x
  2. Step 2: Convert to fraction form
    148.22/222.08 = 94/x
  3. Step 3: Cross multiply
    148.22x = 222.08 × 94
  4. Step 4: Simplify right side
    148.22x = 20,875.52
  5. Step 5: Solve for x
    x = 20,875.52/148.22
  6. Step 6: Final answer
    x = 140.84

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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.