Finding the Fourth Proportional to 75,731,921.80, 113,597,882.70 and 75,731,921.80
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Solution
The fourth proportional to 75,731,921.80, 113,597,882.70 and 75,731,921.80 is: 113,597,882.70
Step by Step Solution
- Step 1: Write the proportion equation
75,731,921.80 : 113,597,882.70 = 75,731,921.80 : x - Step 2: Convert to fraction form
75,731,921.80/113,597,882.70 = 75,731,921.80/x - Step 3: Cross multiply
75,731,921.80x = 113,597,882.70 × 75,731,921.80 - Step 4: Simplify right side
75,731,921.80x = 8,602,985,969,281,973 - Step 5: Solve for x
x = 8,602,985,969,281,973/75,731,921.80 - Step 6: Final answer
x = 113,597,882.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.