Finding the Fourth Proportional to 106,994.73, 160,507.74 and 32,120.79
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Solution
The fourth proportional to 106,994.73, 160,507.74 and 32,120.79 is: 48,185.88
Step by Step Solution
- Step 1: Write the proportion equation
106,994.73 : 160,507.74 = 32,120.79 : x - Step 2: Convert to fraction form
106,994.73/160,507.74 = 32,120.79/x - Step 3: Cross multiply
106,994.73x = 160,507.74 × 32,120.79 - Step 4: Simplify right side
106,994.73x = 5,155,635,409.91 - Step 5: Solve for x
x = 5,155,635,409.91/106,994.73 - Step 6: Final answer
x = 48,185.88
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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.