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Finding the Fourth Proportional to 273,179.97, 409,536.29 and 104,821.11

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Solution

The fourth proportional to 273,179.97, 409,536.29 and 104,821.11 is: 157,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,179.97 : 409,536.29 = 104,821.11 : x
  2. Step 2: Convert to fraction form
    273,179.97/409,536.29 = 104,821.11/x
  3. Step 3: Cross multiply
    273,179.97x = 409,536.29 × 104,821.11
  4. Step 4: Simplify right side
    273,179.97x = 42,928,047,978.98
  5. Step 5: Solve for x
    x = 42,928,047,978.98/273,179.97
  6. Step 6: Final answer
    x = 157,142.00

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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.