Finding the Fourth Proportional to 117,321.24, 161,303.81 and 104,451.96
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Solution
The fourth proportional to 117,321.24, 161,303.81 and 104,451.96 is: 143,609.96
Step by Step Solution
- Step 1: Write the proportion equation
117,321.24 : 161,303.81 = 104,451.96 : x - Step 2: Convert to fraction form
117,321.24/161,303.81 = 104,451.96/x - Step 3: Cross multiply
117,321.24x = 161,303.81 × 104,451.96 - Step 4: Simplify right side
117,321.24x = 16,848,498,587.71 - Step 5: Solve for x
x = 16,848,498,587.71/117,321.24 - Step 6: Final answer
x = 143,609.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.