Finding the Fourth Proportional to 106,874.76, 160,260.36 and 43,669.79
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Solution
The fourth proportional to 106,874.76, 160,260.36 and 43,669.79 is: 65,483.52
Step by Step Solution
- Step 1: Write the proportion equation
106,874.76 : 160,260.36 = 43,669.79 : x - Step 2: Convert to fraction form
106,874.76/160,260.36 = 43,669.79/x - Step 3: Cross multiply
106,874.76x = 160,260.36 × 43,669.79 - Step 4: Simplify right side
106,874.76x = 6,998,535,465.22 - Step 5: Solve for x
x = 6,998,535,465.22/106,874.76 - Step 6: Final answer
x = 65,483.52
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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.