Finding the Fourth Proportional to 302,008.68, 416,772.81 and 166,056.53
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Solution
The fourth proportional to 302,008.68, 416,772.81 and 166,056.53 is: 229,158.46
Step by Step Solution
- Step 1: Write the proportion equation
302,008.68 : 416,772.81 = 166,056.53 : x - Step 2: Convert to fraction form
302,008.68/416,772.81 = 166,056.53/x - Step 3: Cross multiply
302,008.68x = 416,772.81 × 166,056.53 - Step 4: Simplify right side
302,008.68x = 69,207,844,543.09 - Step 5: Solve for x
x = 69,207,844,543.09/302,008.68 - Step 6: Final answer
x = 229,158.46
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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.