Finding the Fourth Proportional to 116,767, 161,142.30 and 63,775
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Solution
The fourth proportional to 116,767, 161,142.30 and 63,775 is: 88,011.60
Step by Step Solution
- Step 1: Write the proportion equation
116,767 : 161,142.30 = 63,775 : x - Step 2: Convert to fraction form
116,767/161,142.30 = 63,775/x - Step 3: Cross multiply
116,767x = 161,142.30 × 63,775 - Step 4: Simplify right side
116,767x = 10,276,850,182.50 - Step 5: Solve for x
x = 10,276,850,182.50/116,767 - Step 6: Final answer
x = 88,011.60
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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.