Finding the Fourth Proportional to 104,499.05, 144,203.86 and 59,175.99
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Solution
The fourth proportional to 104,499.05, 144,203.86 and 59,175.99 is: 81,660.14
Step by Step Solution
- Step 1: Write the proportion equation
104,499.05 : 144,203.86 = 59,175.99 : x - Step 2: Convert to fraction form
104,499.05/144,203.86 = 59,175.99/x - Step 3: Cross multiply
104,499.05x = 144,203.86 × 59,175.99 - Step 4: Simplify right side
104,499.05x = 8,533,406,366.32 - Step 5: Solve for x
x = 8,533,406,366.32/104,499.05 - Step 6: Final answer
x = 81,660.14
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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.