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Finding the Fourth Proportional to 148,608, 222,946.56 and 106,980.48

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Solution

The fourth proportional to 148,608, 222,946.56 and 106,980.48 is: 160,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608 : 222,946.56 = 106,980.48 : x
  2. Step 2: Convert to fraction form
    148,608/222,946.56 = 106,980.48/x
  3. Step 3: Cross multiply
    148,608x = 222,946.56 × 106,980.48
  4. Step 4: Simplify right side
    148,608x = 23,850,930,003.15
  5. Step 5: Solve for x
    x = 23,850,930,003.15/148,608
  6. Step 6: Final answer
    x = 160,495.60

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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.