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Finding the Fourth Proportional to 148,491.73, 222,772.23 and 48,645.87

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Solution

The fourth proportional to 148,491.73, 222,772.23 and 48,645.87 is: 72,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,491.73 : 222,772.23 = 48,645.87 : x
  2. Step 2: Convert to fraction form
    148,491.73/222,772.23 = 48,645.87/x
  3. Step 3: Cross multiply
    148,491.73x = 222,772.23 × 48,645.87
  4. Step 4: Simplify right side
    148,491.73x = 10,836,948,940.19
  5. Step 5: Solve for x
    x = 10,836,948,940.19/148,491.73
  6. Step 6: Final answer
    x = 72,980.15

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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.