Finding the Fourth Proportional to 216,551.37, 324,746.04 and 74,356.29
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Solution
The fourth proportional to 216,551.37, 324,746.04 and 74,356.29 is: 111,506.62
Step by Step Solution
- Step 1: Write the proportion equation
216,551.37 : 324,746.04 = 74,356.29 : x - Step 2: Convert to fraction form
216,551.37/324,746.04 = 74,356.29/x - Step 3: Cross multiply
216,551.37x = 324,746.04 × 74,356.29 - Step 4: Simplify right side
216,551.37x = 24,146,910,726.59 - Step 5: Solve for x
x = 24,146,910,726.59/216,551.37 - Step 6: Final answer
x = 111,506.62
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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.