Finding the Fourth Proportional to 106,774.11, 160,175.88 and 36,644.31
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Solution
The fourth proportional to 106,774.11, 160,175.88 and 36,644.31 is: 54,971.52
Step by Step Solution
- Step 1: Write the proportion equation
106,774.11 : 160,175.88 = 36,644.31 : x - Step 2: Convert to fraction form
106,774.11/160,175.88 = 36,644.31/x - Step 3: Cross multiply
106,774.11x = 160,175.88 × 36,644.31 - Step 4: Simplify right side
106,774.11x = 5,869,534,601.24 - Step 5: Solve for x
x = 5,869,534,601.24/106,774.11 - Step 6: Final answer
x = 54,971.52
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1.5x scale
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.