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Finding the Fourth Proportional to 122,995.44, 184,379.76 and 48,166.56

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Solution

The fourth proportional to 122,995.44, 184,379.76 and 48,166.56 is: 72,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,995.44 : 184,379.76 = 48,166.56 : x
  2. Step 2: Convert to fraction form
    122,995.44/184,379.76 = 48,166.56/x
  3. Step 3: Cross multiply
    122,995.44x = 184,379.76 × 48,166.56
  4. Step 4: Simplify right side
    122,995.44x = 8,880,938,772.83
  5. Step 5: Solve for x
    x = 8,880,938,772.83/122,995.44
  6. Step 6: Final answer
    x = 72,205.43

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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.