Finding the Fourth Proportional to 144,750.44, 199,727.08 and 91,004.23
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Solution
The fourth proportional to 144,750.44, 199,727.08 and 91,004.23 is: 125,567.90
Step by Step Solution
- Step 1: Write the proportion equation
144,750.44 : 199,727.08 = 91,004.23 : x - Step 2: Convert to fraction form
144,750.44/199,727.08 = 91,004.23/x - Step 3: Cross multiply
144,750.44x = 199,727.08 × 91,004.23 - Step 4: Simplify right side
144,750.44x = 18,176,009,125.55 - Step 5: Solve for x
x = 18,176,009,125.55/144,750.44 - Step 6: Final answer
x = 125,567.90
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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.