Finding the Fourth Proportional to 106,986.25, 160,506.02 and 32,107.79
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Solution
The fourth proportional to 106,986.25, 160,506.02 and 32,107.79 is: 48,169.69
Step by Step Solution
- Step 1: Write the proportion equation
106,986.25 : 160,506.02 = 32,107.79 : x - Step 2: Convert to fraction form
106,986.25/160,506.02 = 32,107.79/x - Step 3: Cross multiply
106,986.25x = 160,506.02 × 32,107.79 - Step 4: Simplify right side
106,986.25x = 5,153,494,065.43 - Step 5: Solve for x
x = 5,153,494,065.43/106,986.25 - Step 6: Final answer
x = 48,169.69
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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.