Finding the Fourth Proportional to 126,965,122.72, 174,900,879.12 and 92,055,237.28
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Solution
The fourth proportional to 126,965,122.72, 174,900,879.12 and 92,055,237.28 is: 126,810,746.00
Step by Step Solution
- Step 1: Write the proportion equation
126,965,122.72 : 174,900,879.12 = 92,055,237.28 : x - Step 2: Convert to fraction form
126,965,122.72/174,900,879.12 = 92,055,237.28/x - Step 3: Cross multiply
126,965,122.72x = 174,900,879.12 × 92,055,237.28 - Step 4: Simplify right side
126,965,122.72x = 16,100,541,927,872,198 - Step 5: Solve for x
x = 16,100,541,927,872,198/126,965,122.72 - Step 6: Final answer
x = 126,810,746.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.