Finding the Fourth Proportional to 107,226.91, 160,846.04 and 28,338.99
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Solution
The fourth proportional to 107,226.91, 160,846.04 and 28,338.99 is: 42,509.98
Step by Step Solution
- Step 1: Write the proportion equation
107,226.91 : 160,846.04 = 28,338.99 : x - Step 2: Convert to fraction form
107,226.91/160,846.04 = 28,338.99/x - Step 3: Cross multiply
107,226.91x = 160,846.04 × 28,338.99 - Step 4: Simplify right side
107,226.91x = 4,558,214,319.10 - Step 5: Solve for x
x = 4,558,214,319.10/107,226.91 - Step 6: Final answer
x = 42,509.98
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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.