Finding the Fourth Proportional to 107,602.26, 161,429.32 and 33,730.26
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Solution
The fourth proportional to 107,602.26, 161,429.32 and 33,730.26 is: 50,603.52
Step by Step Solution
- Step 1: Write the proportion equation
107,602.26 : 161,429.32 = 33,730.26 : x - Step 2: Convert to fraction form
107,602.26/161,429.32 = 33,730.26/x - Step 3: Cross multiply
107,602.26x = 161,429.32 × 33,730.26 - Step 4: Simplify right side
107,602.26x = 5,445,052,935.22 - Step 5: Solve for x
x = 5,445,052,935.22/107,602.26 - Step 6: Final answer
x = 50,603.52
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1.5x scale
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.