Finding the Fourth Proportional to 174,629.25, 240,988.68 and 99,177.75
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Solution
The fourth proportional to 174,629.25, 240,988.68 and 99,177.75 is: 136,865.47
Step by Step Solution
- Step 1: Write the proportion equation
174,629.25 : 240,988.68 = 99,177.75 : x - Step 2: Convert to fraction form
174,629.25/240,988.68 = 99,177.75/x - Step 3: Cross multiply
174,629.25x = 240,988.68 × 99,177.75 - Step 4: Simplify right side
174,629.25x = 23,900,715,057.87 - Step 5: Solve for x
x = 23,900,715,057.87/174,629.25 - Step 6: Final answer
x = 136,865.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.