Finding the Fourth Proportional to 165,873,121.60, 248,627,205.60 and 58,112,276.80
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Solution
The fourth proportional to 165,873,121.60, 248,627,205.60 and 58,112,276.80 is: 87,104,485.96
Step by Step Solution
- Step 1: Write the proportion equation
165,873,121.60 : 248,627,205.60 = 58,112,276.80 : x - Step 2: Convert to fraction form
165,873,121.60/248,627,205.60 = 58,112,276.80/x - Step 3: Cross multiply
165,873,121.60x = 248,627,205.60 × 58,112,276.80 - Step 4: Simplify right side
165,873,121.60x = 14,448,292,991,837,708 - Step 5: Solve for x
x = 14,448,292,991,837,708/165,873,121.60 - Step 6: Final answer
x = 87,104,485.96
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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.