Finding the Fourth Proportional to 357,137.08, 535,688.26 and 132,541.26
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Solution
The fourth proportional to 357,137.08, 535,688.26 and 132,541.26 is: 198,805.45
Step by Step Solution
- Step 1: Write the proportion equation
357,137.08 : 535,688.26 = 132,541.26 : x - Step 2: Convert to fraction form
357,137.08/535,688.26 = 132,541.26/x - Step 3: Cross multiply
357,137.08x = 535,688.26 × 132,541.26 - Step 4: Simplify right side
357,137.08x = 71,000,796,947.61 - Step 5: Solve for x
x = 71,000,796,947.61/357,137.08 - Step 6: Final answer
x = 198,805.45
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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.