Finding the Fourth Proportional to 58,752,655.20, 88,128,982.80 and 54,771,343.20
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Solution
The fourth proportional to 58,752,655.20, 88,128,982.80 and 54,771,343.20 is: 82,157,014.80
Step by Step Solution
- Step 1: Write the proportion equation
58,752,655.20 : 88,128,982.80 = 54,771,343.20 : x - Step 2: Convert to fraction form
58,752,655.20/88,128,982.80 = 54,771,343.20/x - Step 3: Cross multiply
58,752,655.20x = 88,128,982.80 × 54,771,343.20 - Step 4: Simplify right side
58,752,655.20x = 4,826,942,762,805,697 - Step 5: Solve for x
x = 4,826,942,762,805,697/58,752,655.20 - Step 6: Final answer
x = 82,157,014.80
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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.