Finding the Fourth Proportional to 106,114.66, 159,135.06 and 39,518.45
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Solution
The fourth proportional to 106,114.66, 159,135.06 and 39,518.45 is: 59,263.92
Step by Step Solution
- Step 1: Write the proportion equation
106,114.66 : 159,135.06 = 39,518.45 : x - Step 2: Convert to fraction form
106,114.66/159,135.06 = 39,518.45/x - Step 3: Cross multiply
106,114.66x = 159,135.06 × 39,518.45 - Step 4: Simplify right side
106,114.66x = 6,288,770,861.13 - Step 5: Solve for x
x = 6,288,770,861.13/106,114.66 - Step 6: Final answer
x = 59,263.92
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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.