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Finding the Fourth Proportional to 273,669.80, 410,310.30 and 123,981.80

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Solution

The fourth proportional to 273,669.80, 410,310.30 and 123,981.80 is: 185,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,669.80 : 410,310.30 = 123,981.80 : x
  2. Step 2: Convert to fraction form
    273,669.80/410,310.30 = 123,981.80/x
  3. Step 3: Cross multiply
    273,669.80x = 410,310.30 × 123,981.80
  4. Step 4: Simplify right side
    273,669.80x = 50,871,009,552.54
  5. Step 5: Solve for x
    x = 50,871,009,552.54/273,669.80
  6. Step 6: Final answer
    x = 185,884.63

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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.