Finding the Fourth Proportional to 106,366.74, 159,579.68 and 46,400.46
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Solution
The fourth proportional to 106,366.74, 159,579.68 and 46,400.46 is: 69,613.59
Step by Step Solution
- Step 1: Write the proportion equation
106,366.74 : 159,579.68 = 46,400.46 : x - Step 2: Convert to fraction form
106,366.74/159,579.68 = 46,400.46/x - Step 3: Cross multiply
106,366.74x = 159,579.68 × 46,400.46 - Step 4: Simplify right side
106,366.74x = 7,404,570,326.65 - Step 5: Solve for x
x = 7,404,570,326.65/106,366.74 - Step 6: Final answer
x = 69,613.59
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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.