Finding the Fourth Proportional to 119,862.16, 179,812.74 and 44,988.19
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Solution
The fourth proportional to 119,862.16, 179,812.74 and 44,988.19 is: 67,489.60
Step by Step Solution
- Step 1: Write the proportion equation
119,862.16 : 179,812.74 = 44,988.19 : x - Step 2: Convert to fraction form
119,862.16/179,812.74 = 44,988.19/x - Step 3: Cross multiply
119,862.16x = 179,812.74 × 44,988.19 - Step 4: Simplify right side
119,862.16x = 8,089,449,711.54 - Step 5: Solve for x
x = 8,089,449,711.54/119,862.16 - Step 6: Final answer
x = 67,489.60
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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.