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Finding the Fourth Proportional to 273,052.76, 409,578.78 and 73,373.15

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Solution

The fourth proportional to 273,052.76, 409,578.78 and 73,373.15 is: 110,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,052.76 : 409,578.78 = 73,373.15 : x
  2. Step 2: Convert to fraction form
    273,052.76/409,578.78 = 73,373.15/x
  3. Step 3: Cross multiply
    273,052.76x = 409,578.78 × 73,373.15
  4. Step 4: Simplify right side
    273,052.76x = 30,052,083,259.72
  5. Step 5: Solve for x
    x = 30,052,083,259.72/273,052.76
  6. Step 6: Final answer
    x = 110,059.62

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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.