Finding the Fourth Proportional to 106,241.10, 159,169.41 and 76,497.90
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Solution
The fourth proportional to 106,241.10, 159,169.41 and 76,497.90 is: 114,608.43
Step by Step Solution
- Step 1: Write the proportion equation
106,241.10 : 159,169.41 = 76,497.90 : x - Step 2: Convert to fraction form
106,241.10/159,169.41 = 76,497.90/x - Step 3: Cross multiply
106,241.10x = 159,169.41 × 76,497.90 - Step 4: Simplify right side
106,241.10x = 12,176,125,609.24 - Step 5: Solve for x
x = 12,176,125,609.24/106,241.10 - Step 6: Final answer
x = 114,608.43
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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.