Finding the Fourth Proportional to 103,482, 142,805.34 and 58,770
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Solution
The fourth proportional to 103,482, 142,805.34 and 58,770 is: 81,102.70
Step by Step Solution
- Step 1: Write the proportion equation
103,482 : 142,805.34 = 58,770 : x - Step 2: Convert to fraction form
103,482/142,805.34 = 58,770/x - Step 3: Cross multiply
103,482x = 142,805.34 × 58,770 - Step 4: Simplify right side
103,482x = 8,392,669,831.80 - Step 5: Solve for x
x = 8,392,669,831.80/103,482 - Step 6: Final answer
x = 81,102.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.