Finding the Fourth Proportional to 118,552.12, 177,827.97 and 55,351.06
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Solution
The fourth proportional to 118,552.12, 177,827.97 and 55,351.06 is: 83,026.49
Step by Step Solution
- Step 1: Write the proportion equation
118,552.12 : 177,827.97 = 55,351.06 : x - Step 2: Convert to fraction form
118,552.12/177,827.97 = 55,351.06/x - Step 3: Cross multiply
118,552.12x = 177,827.97 × 55,351.06 - Step 4: Simplify right side
118,552.12x = 9,842,966,637.15 - Step 5: Solve for x
x = 9,842,966,637.15/118,552.12 - Step 6: Final answer
x = 83,026.49
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1.5x scale
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.