Finding the Fourth Proportional to 106,893.68, 160,368.19 and 40,334.39
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Solution
The fourth proportional to 106,893.68, 160,368.19 and 40,334.39 is: 60,512.03
Step by Step Solution
- Step 1: Write the proportion equation
106,893.68 : 160,368.19 = 40,334.39 : x - Step 2: Convert to fraction form
106,893.68/160,368.19 = 40,334.39/x - Step 3: Cross multiply
106,893.68x = 160,368.19 × 40,334.39 - Step 4: Simplify right side
106,893.68x = 6,468,353,119.05 - Step 5: Solve for x
x = 6,468,353,119.05/106,893.68 - Step 6: Final answer
x = 60,512.03
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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.