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Finding the Fourth Proportional to 148.07, 222.02 and 102.44

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Solution

The fourth proportional to 148.07, 222.02 and 102.44 is: 153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.07 : 222.02 = 102.44 : x
  2. Step 2: Convert to fraction form
    148.07/222.02 = 102.44/x
  3. Step 3: Cross multiply
    148.07x = 222.02 × 102.44
  4. Step 4: Simplify right side
    148.07x = 22,744.16
  5. Step 5: Solve for x
    x = 22,744.16/148.07
  6. Step 6: Final answer
    x = 153.60

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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.