Finding the Fourth Proportional to 127,593.44, 176,077.68 and 71,003.84
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Solution
The fourth proportional to 127,593.44, 176,077.68 and 71,003.84 is: 97,984.59
Step by Step Solution
- Step 1: Write the proportion equation
127,593.44 : 176,077.68 = 71,003.84 : x - Step 2: Convert to fraction form
127,593.44/176,077.68 = 71,003.84/x - Step 3: Cross multiply
127,593.44x = 176,077.68 × 71,003.84 - Step 4: Simplify right side
127,593.44x = 12,502,191,418.29 - Step 5: Solve for x
x = 12,502,191,418.29/127,593.44 - Step 6: Final answer
x = 97,984.59
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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.