Finding the Fourth Proportional to 107,246.30, 160,896.79 and 75,717.79
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Solution
The fourth proportional to 107,246.30, 160,896.79 and 75,717.79 is: 113,595.99
Step by Step Solution
- Step 1: Write the proportion equation
107,246.30 : 160,896.79 = 75,717.79 : x - Step 2: Convert to fraction form
107,246.30/160,896.79 = 75,717.79/x - Step 3: Cross multiply
107,246.30x = 160,896.79 × 75,717.79 - Step 4: Simplify right side
107,246.30x = 12,182,749,356.89 - Step 5: Solve for x
x = 12,182,749,356.89/107,246.30 - Step 6: Final answer
x = 113,595.99
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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.