Finding the Fourth Proportional to 124,946.84, 187,363.92 and 61,742.31
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Solution
The fourth proportional to 124,946.84, 187,363.92 and 61,742.31 is: 92,585.62
Step by Step Solution
- Step 1: Write the proportion equation
124,946.84 : 187,363.92 = 61,742.31 : x - Step 2: Convert to fraction form
124,946.84/187,363.92 = 61,742.31/x - Step 3: Cross multiply
124,946.84x = 187,363.92 × 61,742.31 - Step 4: Simplify right side
124,946.84x = 11,568,281,231.46 - Step 5: Solve for x
x = 11,568,281,231.46/124,946.84 - Step 6: Final answer
x = 92,585.62
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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.