Finding the Fourth Proportional to 176,805.76, 243,988.50 and 96,235.06
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Solution
The fourth proportional to 176,805.76, 243,988.50 and 96,235.06 is: 132,802.51
Step by Step Solution
- Step 1: Write the proportion equation
176,805.76 : 243,988.50 = 96,235.06 : x - Step 2: Convert to fraction form
176,805.76/243,988.50 = 96,235.06/x - Step 3: Cross multiply
176,805.76x = 243,988.50 × 96,235.06 - Step 4: Simplify right side
176,805.76x = 23,480,247,936.81 - Step 5: Solve for x
x = 23,480,247,936.81/176,805.76 - Step 6: Final answer
x = 132,802.51
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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.