Finding the Fourth Proportional to 176,332.22, 243,504.47 and 122,763.68
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Solution
The fourth proportional to 176,332.22, 243,504.47 and 122,763.68 is: 169,529.46
Step by Step Solution
- Step 1: Write the proportion equation
176,332.22 : 243,504.47 = 122,763.68 : x - Step 2: Convert to fraction form
176,332.22/243,504.47 = 122,763.68/x - Step 3: Cross multiply
176,332.22x = 243,504.47 × 122,763.68 - Step 4: Simplify right side
176,332.22x = 29,893,505,749.32 - Step 5: Solve for x
x = 29,893,505,749.32/176,332.22 - Step 6: Final answer
x = 169,529.46
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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.