Finding the Fourth Proportional to 176,154.99, 243,077.84 and 104,522.67
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Solution
The fourth proportional to 176,154.99, 243,077.84 and 104,522.67 is: 144,231.76
Step by Step Solution
- Step 1: Write the proportion equation
176,154.99 : 243,077.84 = 104,522.67 : x - Step 2: Convert to fraction form
176,154.99/243,077.84 = 104,522.67/x - Step 3: Cross multiply
176,154.99x = 243,077.84 × 104,522.67 - Step 4: Simplify right side
176,154.99x = 25,407,144,332.02 - Step 5: Solve for x
x = 25,407,144,332.02/176,154.99 - Step 6: Final answer
x = 144,231.76
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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.