Finding the Fourth Proportional to 106,171.11, 159,026.99 and 49,926.96
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Solution
The fourth proportional to 106,171.11, 159,026.99 and 49,926.96 is: 74,782.43
Step by Step Solution
- Step 1: Write the proportion equation
106,171.11 : 159,026.99 = 49,926.96 : x - Step 2: Convert to fraction form
106,171.11/159,026.99 = 49,926.96/x - Step 3: Cross multiply
106,171.11x = 159,026.99 × 49,926.96 - Step 4: Simplify right side
106,171.11x = 7,939,733,919.02 - Step 5: Solve for x
x = 7,939,733,919.02/106,171.11 - Step 6: Final answer
x = 74,782.43
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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.