Finding the Fourth Proportional to 106,259.73, 146,639.37 and 58,513.26
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Solution
The fourth proportional to 106,259.73, 146,639.37 and 58,513.26 is: 80,748.82
Step by Step Solution
- Step 1: Write the proportion equation
106,259.73 : 146,639.37 = 58,513.26 : x - Step 2: Convert to fraction form
106,259.73/146,639.37 = 58,513.26/x - Step 3: Cross multiply
106,259.73x = 146,639.37 × 58,513.26 - Step 4: Simplify right side
106,259.73x = 8,580,347,583.05 - Step 5: Solve for x
x = 8,580,347,583.05/106,259.73 - Step 6: Final answer
x = 80,748.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.