Finding the Fourth Proportional to 106,570.76, 147,066.84 and 58,824.09
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Solution
The fourth proportional to 106,570.76, 147,066.84 and 58,824.09 is: 81,176.80
Step by Step Solution
- Step 1: Write the proportion equation
106,570.76 : 147,066.84 = 58,824.09 : x - Step 2: Convert to fraction form
106,570.76/147,066.84 = 58,824.09/x - Step 3: Cross multiply
106,570.76x = 147,066.84 × 58,824.09 - Step 4: Simplify right side
106,570.76x = 8,651,073,032.18 - Step 5: Solve for x
x = 8,651,073,032.18/106,570.76 - Step 6: Final answer
x = 81,176.80
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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.