Finding the Fourth Proportional to 96,178.62, 132,733.37 and 53,157.19
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Solution
The fourth proportional to 96,178.62, 132,733.37 and 53,157.19 is: 73,360.72
Step by Step Solution
- Step 1: Write the proportion equation
96,178.62 : 132,733.37 = 53,157.19 : x - Step 2: Convert to fraction form
96,178.62/132,733.37 = 53,157.19/x - Step 3: Cross multiply
96,178.62x = 132,733.37 × 53,157.19 - Step 4: Simplify right side
96,178.62x = 7,055,732,935.41 - Step 5: Solve for x
x = 7,055,732,935.41/96,178.62 - Step 6: Final answer
x = 73,360.72
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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.