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Finding the Fourth Proportional to 148,791.84, 223,188.96 and 48,958.80

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Solution

The fourth proportional to 148,791.84, 223,188.96 and 48,958.80 is: 73,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,791.84 : 223,188.96 = 48,958.80 : x
  2. Step 2: Convert to fraction form
    148,791.84/223,188.96 = 48,958.80/x
  3. Step 3: Cross multiply
    148,791.84x = 223,188.96 × 48,958.80
  4. Step 4: Simplify right side
    148,791.84x = 10,927,063,654.85
  5. Step 5: Solve for x
    x = 10,927,063,654.85/148,791.84
  6. Step 6: Final answer
    x = 73,438.59

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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.