Finding the Fourth Proportional to 157,041.79, 235,564.08 and 44,721.92
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Solution
The fourth proportional to 157,041.79, 235,564.08 and 44,721.92 is: 67,083.28
Step by Step Solution
- Step 1: Write the proportion equation
157,041.79 : 235,564.08 = 44,721.92 : x - Step 2: Convert to fraction form
157,041.79/235,564.08 = 44,721.92/x - Step 3: Cross multiply
157,041.79x = 235,564.08 × 44,721.92 - Step 4: Simplify right side
157,041.79x = 10,534,877,717.02 - Step 5: Solve for x
x = 10,534,877,717.02/157,041.79 - Step 6: Final answer
x = 67,083.28
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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.