Finding the Fourth Proportional to 106,615.63, 159,107.46 and 95,243.26
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Solution
The fourth proportional to 106,615.63, 159,107.46 and 95,243.26 is: 142,135.95
Step by Step Solution
- Step 1: Write the proportion equation
106,615.63 : 159,107.46 = 95,243.26 : x - Step 2: Convert to fraction form
106,615.63/159,107.46 = 95,243.26/x - Step 3: Cross multiply
106,615.63x = 159,107.46 × 95,243.26 - Step 4: Simplify right side
106,615.63x = 15,153,912,724.12 - Step 5: Solve for x
x = 15,153,912,724.12/106,615.63 - Step 6: Final answer
x = 142,135.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.