Finding the Fourth Proportional to 122,974.44, 184,566.80 and 48,147.13
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Solution
The fourth proportional to 122,974.44, 184,566.80 and 48,147.13 is: 72,261.86
Step by Step Solution
- Step 1: Write the proportion equation
122,974.44 : 184,566.80 = 48,147.13 : x - Step 2: Convert to fraction form
122,974.44/184,566.80 = 48,147.13/x - Step 3: Cross multiply
122,974.44x = 184,566.80 × 48,147.13 - Step 4: Simplify right side
122,974.44x = 8,886,361,793.53 - Step 5: Solve for x
x = 8,886,361,793.53/122,974.44 - Step 6: Final answer
x = 72,261.86
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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.