Finding the Fourth Proportional to 168,626.12, 232,708.74 and 93,179.48
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Solution
The fourth proportional to 168,626.12, 232,708.74 and 93,179.48 is: 128,590.28
Step by Step Solution
- Step 1: Write the proportion equation
168,626.12 : 232,708.74 = 93,179.48 : x - Step 2: Convert to fraction form
168,626.12/232,708.74 = 93,179.48/x - Step 3: Cross multiply
168,626.12x = 232,708.74 × 93,179.48 - Step 4: Simplify right side
168,626.12x = 21,683,679,384.66 - Step 5: Solve for x
x = 21,683,679,384.66/168,626.12 - Step 6: Final answer
x = 128,590.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.