Finding the Fourth Proportional to 58,679,234.70, 82,320,989.70 and 58,679,234.70
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Solution
The fourth proportional to 58,679,234.70, 82,320,989.70 and 58,679,234.70 is: 82,320,989.70
Step by Step Solution
- Step 1: Write the proportion equation
58,679,234.70 : 82,320,989.70 = 58,679,234.70 : x - Step 2: Convert to fraction form
58,679,234.70/82,320,989.70 = 58,679,234.70/x - Step 3: Cross multiply
58,679,234.70x = 82,320,989.70 × 58,679,234.70 - Step 4: Simplify right side
58,679,234.70x = 4,830,532,675,342,583 - Step 5: Solve for x
x = 4,830,532,675,342,583/58,679,234.70 - Step 6: Final answer
x = 82,320,989.70
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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.