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Finding the Fourth Proportional to 272,034.80, 408,052.20 and 183,561.20

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Solution

The fourth proportional to 272,034.80, 408,052.20 and 183,561.20 is: 275,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,034.80 : 408,052.20 = 183,561.20 : x
  2. Step 2: Convert to fraction form
    272,034.80/408,052.20 = 183,561.20/x
  3. Step 3: Cross multiply
    272,034.80x = 408,052.20 × 183,561.20
  4. Step 4: Simplify right side
    272,034.80x = 74,902,551,494.64
  5. Step 5: Solve for x
    x = 74,902,551,494.64/272,034.80
  6. Step 6: Final answer
    x = 275,341.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.