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Finding the Fourth Proportional to 273,080.84, 409,620.65 and 73,401.21

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Solution

The fourth proportional to 273,080.84, 409,620.65 and 73,401.21 is: 110,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,080.84 : 409,620.65 = 73,401.21 : x
  2. Step 2: Convert to fraction form
    273,080.84/409,620.65 = 73,401.21/x
  3. Step 3: Cross multiply
    273,080.84x = 409,620.65 × 73,401.21
  4. Step 4: Simplify right side
    273,080.84x = 30,066,650,983.98
  5. Step 5: Solve for x
    x = 30,066,650,983.98/273,080.84
  6. Step 6: Final answer
    x = 110,101.65

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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.