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Finding the Fourth Proportional to 148,490.73, 222,770.73 and 48,644.87

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Solution

The fourth proportional to 148,490.73, 222,770.73 and 48,644.87 is: 72,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,490.73 : 222,770.73 = 48,644.87 : x
  2. Step 2: Convert to fraction form
    148,490.73/222,770.73 = 48,644.87/x
  3. Step 3: Cross multiply
    148,490.73x = 222,770.73 × 48,644.87
  4. Step 4: Simplify right side
    148,490.73x = 10,836,653,200.66
  5. Step 5: Solve for x
    x = 10,836,653,200.66/148,490.73
  6. Step 6: Final answer
    x = 72,978.65

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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.