Finding the Fourth Proportional to 242,737.68, 364,048.06 and 74,259.47
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Solution
The fourth proportional to 242,737.68, 364,048.06 and 74,259.47 is: 111,371.32
Step by Step Solution
- Step 1: Write the proportion equation
242,737.68 : 364,048.06 = 74,259.47 : x - Step 2: Convert to fraction form
242,737.68/364,048.06 = 74,259.47/x - Step 3: Cross multiply
242,737.68x = 364,048.06 × 74,259.47 - Step 4: Simplify right side
242,737.68x = 27,034,015,990.13 - Step 5: Solve for x
x = 27,034,015,990.13/242,737.68 - Step 6: Final answer
x = 111,371.32
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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.