Finding the Fourth Proportional to 316,382.08, 474,523.08 and 106,021.84
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Solution
The fourth proportional to 316,382.08, 474,523.08 and 106,021.84 is: 159,015.99
Step by Step Solution
- Step 1: Write the proportion equation
316,382.08 : 474,523.08 = 106,021.84 : x - Step 2: Convert to fraction form
316,382.08/474,523.08 = 106,021.84/x - Step 3: Cross multiply
316,382.08x = 474,523.08 × 106,021.84 - Step 4: Simplify right side
316,382.08x = 50,309,810,064.07 - Step 5: Solve for x
x = 50,309,810,064.07/316,382.08 - Step 6: Final answer
x = 159,015.99
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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.