Finding the Fourth Proportional to 122,442.84, 183,605.94 and 43,535.88
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Solution
The fourth proportional to 122,442.84, 183,605.94 and 43,535.88 is: 65,283.08
Step by Step Solution
- Step 1: Write the proportion equation
122,442.84 : 183,605.94 = 43,535.88 : x - Step 2: Convert to fraction form
122,442.84/183,605.94 = 43,535.88/x - Step 3: Cross multiply
122,442.84x = 183,605.94 × 43,535.88 - Step 4: Simplify right side
122,442.84x = 7,993,446,171.13 - Step 5: Solve for x
x = 7,993,446,171.13/122,442.84 - Step 6: Final answer
x = 65,283.08
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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.