Finding the Fourth Proportional to 117,765.01, 162,511.03 and 64,049.99
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Solution
The fourth proportional to 117,765.01, 162,511.03 and 64,049.99 is: 88,386.44
Step by Step Solution
- Step 1: Write the proportion equation
117,765.01 : 162,511.03 = 64,049.99 : x - Step 2: Convert to fraction form
117,765.01/162,511.03 = 64,049.99/x - Step 3: Cross multiply
117,765.01x = 162,511.03 × 64,049.99 - Step 4: Simplify right side
117,765.01x = 10,408,830,092.54 - Step 5: Solve for x
x = 10,408,830,092.54/117,765.01 - Step 6: Final answer
x = 88,386.44
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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.