Finding the Fourth Proportional to 165,888,108.80, 248,832,163.20 and 44,715,219.20
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Solution
The fourth proportional to 165,888,108.80, 248,832,163.20 and 44,715,219.20 is: 67,072,828.80
Step by Step Solution
- Step 1: Write the proportion equation
165,888,108.80 : 248,832,163.20 = 44,715,219.20 : x - Step 2: Convert to fraction form
165,888,108.80/248,832,163.20 = 44,715,219.20/x - Step 3: Cross multiply
165,888,108.80x = 248,832,163.20 × 44,715,219.20 - Step 4: Simplify right side
165,888,108.80x = 11,126,584,721,498,174 - Step 5: Solve for x
x = 11,126,584,721,498,174/165,888,108.80 - Step 6: Final answer
x = 67,072,828.80
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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.