Finding the Fourth Proportional to 124,569,169.24, 171,910,676.37 and 71,645,891.44
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Solution
The fourth proportional to 124,569,169.24, 171,910,676.37 and 71,645,891.44 is: 98,874,334.09
Step by Step Solution
- Step 1: Write the proportion equation
124,569,169.24 : 171,910,676.37 = 71,645,891.44 : x - Step 2: Convert to fraction form
124,569,169.24/171,910,676.37 = 71,645,891.44/x - Step 3: Cross multiply
124,569,169.24x = 171,910,676.37 × 71,645,891.44 - Step 4: Simplify right side
124,569,169.24x = 12,316,693,656,581,994 - Step 5: Solve for x
x = 12,316,693,656,581,994/124,569,169.24 - Step 6: Final answer
x = 98,874,334.09
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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.