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Finding the Fourth Proportional to 148,990.73, 223,481.16 and 64,750.98

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Solution

The fourth proportional to 148,990.73, 223,481.16 and 64,750.98 is: 97,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,990.73 : 223,481.16 = 64,750.98 : x
  2. Step 2: Convert to fraction form
    148,990.73/223,481.16 = 64,750.98/x
  3. Step 3: Cross multiply
    148,990.73x = 223,481.16 × 64,750.98
  4. Step 4: Simplify right side
    148,990.73x = 14,470,624,121.54
  5. Step 5: Solve for x
    x = 14,470,624,121.54/148,990.73
  6. Step 6: Final answer
    x = 97,124.33

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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.