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Finding the Fourth Proportional to 273,139.88, 409,695.24 and 104,740.88

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Solution

The fourth proportional to 273,139.88, 409,695.24 and 104,740.88 is: 157,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,139.88 : 409,695.24 = 104,740.88 : x
  2. Step 2: Convert to fraction form
    273,139.88/409,695.24 = 104,740.88/x
  3. Step 3: Cross multiply
    273,139.88x = 409,695.24 × 104,740.88
  4. Step 4: Simplify right side
    273,139.88x = 42,911,839,969.41
  5. Step 5: Solve for x
    x = 42,911,839,969.41/273,139.88
  6. Step 6: Final answer
    x = 157,105.73

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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.