Finding the Fourth Proportional to 113,655.48, 170,446.26 and 53,674.65
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Solution
The fourth proportional to 113,655.48, 170,446.26 and 53,674.65 is: 80,494.52
Step by Step Solution
- Step 1: Write the proportion equation
113,655.48 : 170,446.26 = 53,674.65 : x - Step 2: Convert to fraction form
113,655.48/170,446.26 = 53,674.65/x - Step 3: Cross multiply
113,655.48x = 170,446.26 × 53,674.65 - Step 4: Simplify right side
113,655.48x = 9,148,643,349.31 - Step 5: Solve for x
x = 9,148,643,349.31/113,655.48 - Step 6: Final answer
x = 80,494.52
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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.