Finding the Fourth Proportional to 274.96, 412.44 and 104.08
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Solution
The fourth proportional to 274.96, 412.44 and 104.08 is: 156.12
Step by Step Solution
- Step 1: Write the proportion equation
274.96 : 412.44 = 104.08 : x - Step 2: Convert to fraction form
274.96/412.44 = 104.08/x - Step 3: Cross multiply
274.96x = 412.44 × 104.08 - Step 4: Simplify right side
274.96x = 42,926.76 - Step 5: Solve for x
x = 42,926.76/274.96 - Step 6: Final answer
x = 156.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.