Finding the Fourth Proportional to 116,372.24, 160,610.44 and 84,211.28
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Solution
The fourth proportional to 116,372.24, 160,610.44 and 84,211.28 is: 116,223.69
Step by Step Solution
- Step 1: Write the proportion equation
116,372.24 : 160,610.44 = 84,211.28 : x - Step 2: Convert to fraction form
116,372.24/160,610.44 = 84,211.28/x - Step 3: Cross multiply
116,372.24x = 160,610.44 × 84,211.28 - Step 4: Simplify right side
116,372.24x = 13,525,210,733.76 - Step 5: Solve for x
x = 13,525,210,733.76/116,372.24 - Step 6: Final answer
x = 116,223.69
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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.