Finding the Fourth Proportional to 116,558.24, 160,850.14 and 65,571.02
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Solution
The fourth proportional to 116,558.24, 160,850.14 and 65,571.02 is: 90,487.88
Step by Step Solution
- Step 1: Write the proportion equation
116,558.24 : 160,850.14 = 65,571.02 : x - Step 2: Convert to fraction form
116,558.24/160,850.14 = 65,571.02/x - Step 3: Cross multiply
116,558.24x = 160,850.14 × 65,571.02 - Step 4: Simplify right side
116,558.24x = 10,547,107,746.94 - Step 5: Solve for x
x = 10,547,107,746.94/116,558.24 - Step 6: Final answer
x = 90,487.88
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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.