Finding the Fourth Proportional to 106,701.99, 160,018.97 and 43,521.99
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Solution
The fourth proportional to 106,701.99, 160,018.97 and 43,521.99 is: 65,269.11
Step by Step Solution
- Step 1: Write the proportion equation
106,701.99 : 160,018.97 = 43,521.99 : x - Step 2: Convert to fraction form
106,701.99/160,018.97 = 43,521.99/x - Step 3: Cross multiply
106,701.99x = 160,018.97 × 43,521.99 - Step 4: Simplify right side
106,701.99x = 6,964,343,794.54 - Step 5: Solve for x
x = 6,964,343,794.54/106,701.99 - Step 6: Final answer
x = 65,269.11
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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.