Finding the Fourth Proportional to 134,072.97, 201,106.84 and 54,108.80
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Solution
The fourth proportional to 134,072.97, 201,106.84 and 54,108.80 is: 81,162.15
Step by Step Solution
- Step 1: Write the proportion equation
134,072.97 : 201,106.84 = 54,108.80 : x - Step 2: Convert to fraction form
134,072.97/201,106.84 = 54,108.80/x - Step 3: Cross multiply
134,072.97x = 201,106.84 × 54,108.80 - Step 4: Simplify right side
134,072.97x = 10,881,649,784.19 - Step 5: Solve for x
x = 10,881,649,784.19/134,072.97 - Step 6: Final answer
x = 81,162.15
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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.