Finding the Fourth Proportional to 176,668.70, 243,780.63 and 119,432.53
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Solution
The fourth proportional to 176,668.70, 243,780.63 and 119,432.53 is: 164,801.89
Step by Step Solution
- Step 1: Write the proportion equation
176,668.70 : 243,780.63 = 119,432.53 : x - Step 2: Convert to fraction form
176,668.70/243,780.63 = 119,432.53/x - Step 3: Cross multiply
176,668.70x = 243,780.63 × 119,432.53 - Step 4: Simplify right side
176,668.70x = 29,115,336,186.99 - Step 5: Solve for x
x = 29,115,336,186.99/176,668.70 - Step 6: Final answer
x = 164,801.89
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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.