Finding the Fourth Proportional to 132,840.32, 199,217.14 and 44,069.99
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Solution
The fourth proportional to 132,840.32, 199,217.14 and 44,069.99 is: 66,090.60
Step by Step Solution
- Step 1: Write the proportion equation
132,840.32 : 199,217.14 = 44,069.99 : x - Step 2: Convert to fraction form
132,840.32/199,217.14 = 44,069.99/x - Step 3: Cross multiply
132,840.32x = 199,217.14 × 44,069.99 - Step 4: Simplify right side
132,840.32x = 8,779,496,261.37 - Step 5: Solve for x
x = 8,779,496,261.37/132,840.32 - Step 6: Final answer
x = 66,090.60
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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.