Finding the Fourth Proportional to 148,197.52, 204,513.96 and 84,539.08
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Solution
The fourth proportional to 148,197.52, 204,513.96 and 84,539.08 is: 116,664.72
Step by Step Solution
- Step 1: Write the proportion equation
148,197.52 : 204,513.96 = 84,539.08 : x - Step 2: Convert to fraction form
148,197.52/204,513.96 = 84,539.08/x - Step 3: Cross multiply
148,197.52x = 204,513.96 × 84,539.08 - Step 4: Simplify right side
148,197.52x = 17,289,422,025.56 - Step 5: Solve for x
x = 17,289,422,025.56/148,197.52 - Step 6: Final answer
x = 116,664.72
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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.