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Finding the Fourth Proportional to 272,049.80, 408,074.70 and 183,576.20

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Solution

The fourth proportional to 272,049.80, 408,074.70 and 183,576.20 is: 275,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,049.80 : 408,074.70 = 183,576.20 : x
  2. Step 2: Convert to fraction form
    272,049.80/408,074.70 = 183,576.20/x
  3. Step 3: Cross multiply
    272,049.80x = 408,074.70 × 183,576.20
  4. Step 4: Simplify right side
    272,049.80x = 74,912,802,742.14
  5. Step 5: Solve for x
    x = 74,912,802,742.14/272,049.80
  6. Step 6: Final answer
    x = 275,364.30

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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.