Finding the Fourth Proportional to 106,964.44, 147,613.02 and 59,216.44
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Solution
The fourth proportional to 106,964.44, 147,613.02 and 59,216.44 is: 81,719.85
Step by Step Solution
- Step 1: Write the proportion equation
106,964.44 : 147,613.02 = 59,216.44 : x - Step 2: Convert to fraction form
106,964.44/147,613.02 = 59,216.44/x - Step 3: Cross multiply
106,964.44x = 147,613.02 × 59,216.44 - Step 4: Simplify right side
106,964.44x = 8,741,117,542.05 - Step 5: Solve for x
x = 8,741,117,542.05/106,964.44 - Step 6: Final answer
x = 81,719.85
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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.