Finding the Fourth Proportional to 106,885.80, 160,328.70 and 41,221.80
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Solution
The fourth proportional to 106,885.80, 160,328.70 and 41,221.80 is: 61,832.70
Step by Step Solution
- Step 1: Write the proportion equation
106,885.80 : 160,328.70 = 41,221.80 : x - Step 2: Convert to fraction form
106,885.80/160,328.70 = 41,221.80/x - Step 3: Cross multiply
106,885.80x = 160,328.70 × 41,221.80 - Step 4: Simplify right side
106,885.80x = 6,609,037,605.66 - Step 5: Solve for x
x = 6,609,037,605.66/106,885.80 - Step 6: Final answer
x = 61,832.70
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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.