Finding the Fourth Proportional to 168,871.68, 253,597.61 and 149,938.95
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Solution
The fourth proportional to 168,871.68, 253,597.61 and 149,938.95 is: 225,165.99
Step by Step Solution
- Step 1: Write the proportion equation
168,871.68 : 253,597.61 = 149,938.95 : x - Step 2: Convert to fraction form
168,871.68/253,597.61 = 149,938.95/x - Step 3: Cross multiply
168,871.68x = 253,597.61 × 149,938.95 - Step 4: Simplify right side
168,871.68x = 38,024,158,616.21 - Step 5: Solve for x
x = 38,024,158,616.21/168,871.68 - Step 6: Final answer
x = 225,165.99
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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.