Finding the Fourth Proportional to 124,029.80, 186,044.70 and 124,029.80
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Solution
The fourth proportional to 124,029.80, 186,044.70 and 124,029.80 is: 186,044.70
Step by Step Solution
- Step 1: Write the proportion equation
124,029.80 : 186,044.70 = 124,029.80 : x - Step 2: Convert to fraction form
124,029.80/186,044.70 = 124,029.80/x - Step 3: Cross multiply
124,029.80x = 186,044.70 × 124,029.80 - Step 4: Simplify right side
124,029.80x = 23,075,086,932.06 - Step 5: Solve for x
x = 23,075,086,932.06/124,029.80 - Step 6: Final answer
x = 186,044.70
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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.