Finding the Fourth Proportional to 106,998.96, 160,525.13 and 32,120.49
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Solution
The fourth proportional to 106,998.96, 160,525.13 and 32,120.49 is: 48,188.75
Step by Step Solution
- Step 1: Write the proportion equation
106,998.96 : 160,525.13 = 32,120.49 : x - Step 2: Convert to fraction form
106,998.96/160,525.13 = 32,120.49/x - Step 3: Cross multiply
106,998.96x = 160,525.13 × 32,120.49 - Step 4: Simplify right side
106,998.96x = 5,156,145,832.91 - Step 5: Solve for x
x = 5,156,145,832.91/106,998.96 - Step 6: Final answer
x = 48,188.75
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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.