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Finding the Fourth Proportional to 273,927.80, 410,859.30 and 74,235.80

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Solution

The fourth proportional to 273,927.80, 410,859.30 and 74,235.80 is: 111,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,927.80 : 410,859.30 = 74,235.80 : x
  2. Step 2: Convert to fraction form
    273,927.80/410,859.30 = 74,235.80/x
  3. Step 3: Cross multiply
    273,927.80x = 410,859.30 × 74,235.80
  4. Step 4: Simplify right side
    273,927.80x = 30,500,468,822.94
  5. Step 5: Solve for x
    x = 30,500,468,822.94/273,927.80
  6. Step 6: Final answer
    x = 111,344.92

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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.