Finding the Fourth Proportional to 116,558.24, 160,875.84 and 74,108.48
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Solution
The fourth proportional to 116,558.24, 160,875.84 and 74,108.48 is: 102,285.90
Step by Step Solution
- Step 1: Write the proportion equation
116,558.24 : 160,875.84 = 74,108.48 : x - Step 2: Convert to fraction form
116,558.24/160,875.84 = 74,108.48/x - Step 3: Cross multiply
116,558.24x = 160,875.84 × 74,108.48 - Step 4: Simplify right side
116,558.24x = 11,922,263,971.12 - Step 5: Solve for x
x = 11,922,263,971.12/116,558.24 - Step 6: Final answer
x = 102,285.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.