Finding the Fourth Proportional to 125,101.46, 187,683.87 and 36,353.06
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Solution
The fourth proportional to 125,101.46, 187,683.87 and 36,353.06 is: 54,538.80
Step by Step Solution
- Step 1: Write the proportion equation
125,101.46 : 187,683.87 = 36,353.06 : x - Step 2: Convert to fraction form
125,101.46/187,683.87 = 36,353.06/x - Step 3: Cross multiply
125,101.46x = 187,683.87 × 36,353.06 - Step 4: Simplify right side
125,101.46x = 6,822,882,987.14 - Step 5: Solve for x
x = 6,822,882,987.14/125,101.46 - Step 6: Final answer
x = 54,538.80
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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.