Finding the Fourth Proportional to 124,536.24, 186,992.49 and 99,501.99
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Solution
The fourth proportional to 124,536.24, 186,992.49 and 99,501.99 is: 149,403.30
Step by Step Solution
- Step 1: Write the proportion equation
124,536.24 : 186,992.49 = 99,501.99 : x - Step 2: Convert to fraction form
124,536.24/186,992.49 = 99,501.99/x - Step 3: Cross multiply
124,536.24x = 186,992.49 × 99,501.99 - Step 4: Simplify right side
124,536.24x = 18,606,124,870.06 - Step 5: Solve for x
x = 18,606,124,870.06/124,536.24 - Step 6: Final answer
x = 149,403.30
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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.