Finding the Fourth Proportional to 112,758.53, 169,147.79 and 29,652.53
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Solution
The fourth proportional to 112,758.53, 169,147.79 and 29,652.53 is: 44,481.42
Step by Step Solution
- Step 1: Write the proportion equation
112,758.53 : 169,147.79 = 29,652.53 : x - Step 2: Convert to fraction form
112,758.53/169,147.79 = 29,652.53/x - Step 3: Cross multiply
112,758.53x = 169,147.79 × 29,652.53 - Step 4: Simplify right side
112,758.53x = 5,015,659,917.41 - Step 5: Solve for x
x = 5,015,659,917.41/112,758.53 - Step 6: Final answer
x = 44,481.42
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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.