Finding the Fourth Proportional to 107,129.88, 160,705.76 and 37,000.08
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Solution
The fourth proportional to 107,129.88, 160,705.76 and 37,000.08 is: 55,503.90
Step by Step Solution
- Step 1: Write the proportion equation
107,129.88 : 160,705.76 = 37,000.08 : x - Step 2: Convert to fraction form
107,129.88/160,705.76 = 37,000.08/x - Step 3: Cross multiply
107,129.88x = 160,705.76 × 37,000.08 - Step 4: Simplify right side
107,129.88x = 5,946,126,068.96 - Step 5: Solve for x
x = 5,946,126,068.96/107,129.88 - Step 6: Final answer
x = 55,503.90
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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.