Finding the Fourth Proportional to 118,205.92, 176,616.64 and 114,071.68
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Solution
The fourth proportional to 118,205.92, 176,616.64 and 114,071.68 is: 170,439.49
Step by Step Solution
- Step 1: Write the proportion equation
118,205.92 : 176,616.64 = 114,071.68 : x - Step 2: Convert to fraction form
118,205.92/176,616.64 = 114,071.68/x - Step 3: Cross multiply
118,205.92x = 176,616.64 × 114,071.68 - Step 4: Simplify right side
118,205.92x = 20,146,956,840.76 - Step 5: Solve for x
x = 20,146,956,840.76/118,205.92 - Step 6: Final answer
x = 170,439.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.