Finding the Fourth Proportional to 117,832.44, 162,608.04 and 64,117.68
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Solution
The fourth proportional to 117,832.44, 162,608.04 and 64,117.68 is: 88,482.00
Step by Step Solution
- Step 1: Write the proportion equation
117,832.44 : 162,608.04 = 64,117.68 : x - Step 2: Convert to fraction form
117,832.44/162,608.04 = 64,117.68/x - Step 3: Cross multiply
117,832.44x = 162,608.04 × 64,117.68 - Step 4: Simplify right side
117,832.44x = 10,426,050,274.15 - Step 5: Solve for x
x = 10,426,050,274.15/117,832.44 - Step 6: Final answer
x = 88,482.00
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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.