Finding the Fourth Proportional to 107,405.52, 148,186.25 and 62,066.99
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Solution
The fourth proportional to 107,405.52, 148,186.25 and 62,066.99 is: 85,633.15
Step by Step Solution
- Step 1: Write the proportion equation
107,405.52 : 148,186.25 = 62,066.99 : x - Step 2: Convert to fraction form
107,405.52/148,186.25 = 62,066.99/x - Step 3: Cross multiply
107,405.52x = 148,186.25 × 62,066.99 - Step 4: Simplify right side
107,405.52x = 9,197,473,445.62 - Step 5: Solve for x
x = 9,197,473,445.62/107,405.52 - Step 6: Final answer
x = 85,633.15
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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.