Finding the Fourth Proportional to 153,295.59, 229,977.99 and 46,689.09
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Solution
The fourth proportional to 153,295.59, 229,977.99 and 46,689.09 is: 70,044.17
Step by Step Solution
- Step 1: Write the proportion equation
153,295.59 : 229,977.99 = 46,689.09 : x - Step 2: Convert to fraction form
153,295.59/229,977.99 = 46,689.09/x - Step 3: Cross multiply
153,295.59x = 229,977.99 × 46,689.09 - Step 4: Simplify right side
153,295.59x = 10,737,463,073.13 - Step 5: Solve for x
x = 10,737,463,073.13/153,295.59 - Step 6: Final answer
x = 70,044.17
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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.