Finding the Fourth Proportional to 211,871.41, 292,374.69 and 116,372.41
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Solution
The fourth proportional to 211,871.41, 292,374.69 and 116,372.41 is: 160,589.61
Step by Step Solution
- Step 1: Write the proportion equation
211,871.41 : 292,374.69 = 116,372.41 : x - Step 2: Convert to fraction form
211,871.41/292,374.69 = 116,372.41/x - Step 3: Cross multiply
211,871.41x = 292,374.69 × 116,372.41 - Step 4: Simplify right side
211,871.41x = 34,024,347,298.30 - Step 5: Solve for x
x = 34,024,347,298.30/211,871.41 - Step 6: Final answer
x = 160,589.61
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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.