Finding the Fourth Proportional to 137,441.08, 205,967.22 and 58,475.80
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Solution
The fourth proportional to 137,441.08, 205,967.22 and 58,475.80 is: 87,630.99
Step by Step Solution
- Step 1: Write the proportion equation
137,441.08 : 205,967.22 = 58,475.80 : x - Step 2: Convert to fraction form
137,441.08/205,967.22 = 58,475.80/x - Step 3: Cross multiply
137,441.08x = 205,967.22 × 58,475.80 - Step 4: Simplify right side
137,441.08x = 12,044,097,963.28 - Step 5: Solve for x
x = 12,044,097,963.28/137,441.08 - Step 6: Final answer
x = 87,630.99
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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.