Finding the Fourth Proportional to 168,589.50, 232,655.67 and 93,145.02
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Solution
The fourth proportional to 168,589.50, 232,655.67 and 93,145.02 is: 128,541.32
Step by Step Solution
- Step 1: Write the proportion equation
168,589.50 : 232,655.67 = 93,145.02 : x - Step 2: Convert to fraction form
168,589.50/232,655.67 = 93,145.02/x - Step 3: Cross multiply
168,589.50x = 232,655.67 × 93,145.02 - Step 4: Simplify right side
168,589.50x = 21,670,717,035.26 - Step 5: Solve for x
x = 21,670,717,035.26/168,589.50 - Step 6: Final answer
x = 128,541.32
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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.