Finding the Fourth Proportional to 148,533.96, 204,988.14 and 84,874.44
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Solution
The fourth proportional to 148,533.96, 204,988.14 and 84,874.44 is: 117,133.17
Step by Step Solution
- Step 1: Write the proportion equation
148,533.96 : 204,988.14 = 84,874.44 : x - Step 2: Convert to fraction form
148,533.96/204,988.14 = 84,874.44/x - Step 3: Cross multiply
148,533.96x = 204,988.14 × 84,874.44 - Step 4: Simplify right side
148,533.96x = 17,398,253,589.14 - Step 5: Solve for x
x = 17,398,253,589.14/148,533.96 - Step 6: Final answer
x = 117,133.17
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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.