Finding the Fourth Proportional to 122,896.44, 184,416.21 and 51,814.62
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Solution
The fourth proportional to 122,896.44, 184,416.21 and 51,814.62 is: 77,752.10
Step by Step Solution
- Step 1: Write the proportion equation
122,896.44 : 184,416.21 = 51,814.62 : x - Step 2: Convert to fraction form
122,896.44/184,416.21 = 51,814.62/x - Step 3: Cross multiply
122,896.44x = 184,416.21 × 51,814.62 - Step 4: Simplify right side
122,896.44x = 9,555,455,842.99 - Step 5: Solve for x
x = 9,555,455,842.99/122,896.44 - Step 6: Final answer
x = 77,752.10
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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.