Finding the Fourth Proportional to 168,469.48, 232,489.62 and 93,017.80
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Solution
The fourth proportional to 168,469.48, 232,489.62 and 93,017.80 is: 128,365.52
Step by Step Solution
- Step 1: Write the proportion equation
168,469.48 : 232,489.62 = 93,017.80 : x - Step 2: Convert to fraction form
168,469.48/232,489.62 = 93,017.80/x - Step 3: Cross multiply
168,469.48x = 232,489.62 × 93,017.80 - Step 4: Simplify right side
168,469.48x = 21,625,672,975.24 - Step 5: Solve for x
x = 21,625,672,975.24/168,469.48 - Step 6: Final answer
x = 128,365.52
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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.