Finding the Fourth Proportional to 76,233.70, 106,882.70 and 76,233.70
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Solution
The fourth proportional to 76,233.70, 106,882.70 and 76,233.70 is: 106,882.70
Step by Step Solution
- Step 1: Write the proportion equation
76,233.70 : 106,882.70 = 76,233.70 : x - Step 2: Convert to fraction form
76,233.70/106,882.70 = 76,233.70/x - Step 3: Cross multiply
76,233.70x = 106,882.70 × 76,233.70 - Step 4: Simplify right side
76,233.70x = 8,148,063,686.99 - Step 5: Solve for x
x = 8,148,063,686.99/76,233.70 - Step 6: Final answer
x = 106,882.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.