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Finding the Fourth Proportional to 273,034.76, 409,524.44 and 73,329.20

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Solution

The fourth proportional to 273,034.76, 409,524.44 and 73,329.20 is: 109,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,034.76 : 409,524.44 = 73,329.20 : x
  2. Step 2: Convert to fraction form
    273,034.76/409,524.44 = 73,329.20/x
  3. Step 3: Cross multiply
    273,034.76x = 409,524.44 × 73,329.20
  4. Step 4: Simplify right side
    273,034.76x = 30,030,099,565.65
  5. Step 5: Solve for x
    x = 30,030,099,565.65/273,034.76
  6. Step 6: Final answer
    x = 109,986.36

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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.