Finding the Fourth Proportional to 99,382, 137,150.04 and 54,670
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Solution
The fourth proportional to 99,382, 137,150.04 and 54,670 is: 75,446.18
Step by Step Solution
- Step 1: Write the proportion equation
99,382 : 137,150.04 = 54,670 : x - Step 2: Convert to fraction form
99,382/137,150.04 = 54,670/x - Step 3: Cross multiply
99,382x = 137,150.04 × 54,670 - Step 4: Simplify right side
99,382x = 7,497,992,686.80 - Step 5: Solve for x
x = 7,497,992,686.80/99,382 - Step 6: Final answer
x = 75,446.18
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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.