Finding the Fourth Proportional to 116,633.79, 174,949.54 and 53,435.99
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Solution
The fourth proportional to 116,633.79, 174,949.54 and 53,435.99 is: 80,153.46
Step by Step Solution
- Step 1: Write the proportion equation
116,633.79 : 174,949.54 = 53,435.99 : x - Step 2: Convert to fraction form
116,633.79/174,949.54 = 53,435.99/x - Step 3: Cross multiply
116,633.79x = 174,949.54 × 53,435.99 - Step 4: Simplify right side
116,633.79x = 9,348,602,173.73 - Step 5: Solve for x
x = 9,348,602,173.73/116,633.79 - Step 6: Final answer
x = 80,153.46
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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.