Finding the Fourth Proportional to 117,680.68, 162,243.30 and 97,463.08
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Solution
The fourth proportional to 117,680.68, 162,243.30 and 97,463.08 is: 134,369.82
Step by Step Solution
- Step 1: Write the proportion equation
117,680.68 : 162,243.30 = 97,463.08 : x - Step 2: Convert to fraction form
117,680.68/162,243.30 = 97,463.08/x - Step 3: Cross multiply
117,680.68x = 162,243.30 × 97,463.08 - Step 4: Simplify right side
117,680.68x = 15,812,731,727.36 - Step 5: Solve for x
x = 15,812,731,727.36/117,680.68 - Step 6: Final answer
x = 134,369.82
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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.