Finding the Fourth Proportional to 274,483.48, 411,439.77 and 106,119.44
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Solution
The fourth proportional to 274,483.48, 411,439.77 and 106,119.44 is: 159,068.80
Step by Step Solution
- Step 1: Write the proportion equation
274,483.48 : 411,439.77 = 106,119.44 : x - Step 2: Convert to fraction form
274,483.48/411,439.77 = 106,119.44/x - Step 3: Cross multiply
274,483.48x = 411,439.77 × 106,119.44 - Step 4: Simplify right side
274,483.48x = 43,661,757,455.53 - Step 5: Solve for x
x = 43,661,757,455.53/274,483.48 - Step 6: Final answer
x = 159,068.80
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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.