Finding the Fourth Proportional to 106,932.17, 147,581.99 and 61,601.44
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Solution
The fourth proportional to 106,932.17, 147,581.99 and 61,601.44 is: 85,018.96
Step by Step Solution
- Step 1: Write the proportion equation
106,932.17 : 147,581.99 = 61,601.44 : x - Step 2: Convert to fraction form
106,932.17/147,581.99 = 61,601.44/x - Step 3: Cross multiply
106,932.17x = 147,581.99 × 61,601.44 - Step 4: Simplify right side
106,932.17x = 9,091,262,425.10 - Step 5: Solve for x
x = 9,091,262,425.10/106,932.17 - Step 6: Final answer
x = 85,018.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.