Finding the Fourth Proportional to 176,220.71, 243,178.06 and 95,646.52
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Solution
The fourth proportional to 176,220.71, 243,178.06 and 95,646.52 is: 131,988.65
Step by Step Solution
- Step 1: Write the proportion equation
176,220.71 : 243,178.06 = 95,646.52 : x - Step 2: Convert to fraction form
176,220.71/243,178.06 = 95,646.52/x - Step 3: Cross multiply
176,220.71x = 243,178.06 × 95,646.52 - Step 4: Simplify right side
176,220.71x = 23,259,133,485.23 - Step 5: Solve for x
x = 23,259,133,485.23/176,220.71 - Step 6: Final answer
x = 131,988.65
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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.