Finding the Fourth Proportional to 124,688.34, 187,095.08 and 58,133.68
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Solution
The fourth proportional to 124,688.34, 187,095.08 and 58,133.68 is: 87,229.69
Step by Step Solution
- Step 1: Write the proportion equation
124,688.34 : 187,095.08 = 58,133.68 : x - Step 2: Convert to fraction form
124,688.34/187,095.08 = 58,133.68/x - Step 3: Cross multiply
124,688.34x = 187,095.08 × 58,133.68 - Step 4: Simplify right side
124,688.34x = 10,876,525,510.29 - Step 5: Solve for x
x = 10,876,525,510.29/124,688.34 - Step 6: Final answer
x = 87,229.69
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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.