Finding the Fourth Proportional to 106,662.30, 160,023.12 and 46,680.09
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Solution
The fourth proportional to 106,662.30, 160,023.12 and 46,680.09 is: 70,033.12
Step by Step Solution
- Step 1: Write the proportion equation
106,662.30 : 160,023.12 = 46,680.09 : x - Step 2: Convert to fraction form
106,662.30/160,023.12 = 46,680.09/x - Step 3: Cross multiply
106,662.30x = 160,023.12 × 46,680.09 - Step 4: Simplify right side
106,662.30x = 7,469,893,643.68 - Step 5: Solve for x
x = 7,469,893,643.68/106,662.30 - Step 6: Final answer
x = 70,033.12
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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.