Finding the Fourth Proportional to 107,429.36, 161,169.12 and 32,550.08
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Solution
The fourth proportional to 107,429.36, 161,169.12 and 32,550.08 is: 48,832.72
Step by Step Solution
- Step 1: Write the proportion equation
107,429.36 : 161,169.12 = 32,550.08 : x - Step 2: Convert to fraction form
107,429.36/161,169.12 = 32,550.08/x - Step 3: Cross multiply
107,429.36x = 161,169.12 × 32,550.08 - Step 4: Simplify right side
107,429.36x = 5,246,067,749.53 - Step 5: Solve for x
x = 5,246,067,749.53/107,429.36 - Step 6: Final answer
x = 48,832.72
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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.