Finding the Fourth Proportional to 211,823.36, 292,316.08 and 116,336.08
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Solution
The fourth proportional to 211,823.36, 292,316.08 and 116,336.08 is: 160,543.70
Step by Step Solution
- Step 1: Write the proportion equation
211,823.36 : 292,316.08 = 116,336.08 : x - Step 2: Convert to fraction form
211,823.36/292,316.08 = 116,336.08/x - Step 3: Cross multiply
211,823.36x = 292,316.08 × 116,336.08 - Step 4: Simplify right side
211,823.36x = 34,006,906,868.17 - Step 5: Solve for x
x = 34,006,906,868.17/211,823.36 - Step 6: Final answer
x = 160,543.70
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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.