Finding the Fourth Proportional to 113,517.99, 170,276.94 and 52,722.09
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Solution
The fourth proportional to 113,517.99, 170,276.94 and 52,722.09 is: 79,083.11
Step by Step Solution
- Step 1: Write the proportion equation
113,517.99 : 170,276.94 = 52,722.09 : x - Step 2: Convert to fraction form
113,517.99/170,276.94 = 52,722.09/x - Step 3: Cross multiply
113,517.99x = 170,276.94 × 52,722.09 - Step 4: Simplify right side
113,517.99x = 8,977,356,155.60 - Step 5: Solve for x
x = 8,977,356,155.60/113,517.99 - Step 6: Final answer
x = 79,083.11
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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.