Finding the Fourth Proportional to 122,883.60, 184,324.16 and 56,304.84
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Solution
The fourth proportional to 122,883.60, 184,324.16 and 56,304.84 is: 84,456.69
Step by Step Solution
- Step 1: Write the proportion equation
122,883.60 : 184,324.16 = 56,304.84 : x - Step 2: Convert to fraction form
122,883.60/184,324.16 = 56,304.84/x - Step 3: Cross multiply
122,883.60x = 184,324.16 × 56,304.84 - Step 4: Simplify right side
122,883.60x = 10,378,342,336.93 - Step 5: Solve for x
x = 10,378,342,336.93/122,883.60 - Step 6: Final answer
x = 84,456.69
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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.