Finding the Fourth Proportional to 168,468.56, 232,486.68 and 93,017.12
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Solution
The fourth proportional to 168,468.56, 232,486.68 and 93,017.12 is: 128,363.66
Step by Step Solution
- Step 1: Write the proportion equation
168,468.56 : 232,486.68 = 93,017.12 : x - Step 2: Convert to fraction form
168,468.56/232,486.68 = 93,017.12/x - Step 3: Cross multiply
168,468.56x = 232,486.68 × 93,017.12 - Step 4: Simplify right side
168,468.56x = 21,625,241,411.96 - Step 5: Solve for x
x = 21,625,241,411.96/168,468.56 - Step 6: Final answer
x = 128,363.66
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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.