Finding the Fourth Proportional to 168,708.24, 232,808.28 and 93,252.24
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Solution
The fourth proportional to 168,708.24, 232,808.28 and 93,252.24 is: 128,683.07
Step by Step Solution
- Step 1: Write the proportion equation
168,708.24 : 232,808.28 = 93,252.24 : x - Step 2: Convert to fraction form
168,708.24/232,808.28 = 93,252.24/x - Step 3: Cross multiply
168,708.24x = 232,808.28 × 93,252.24 - Step 4: Simplify right side
168,708.24x = 21,709,893,600.55 - Step 5: Solve for x
x = 21,709,893,600.55/168,708.24 - Step 6: Final answer
x = 128,683.07
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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.