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Finding the Fourth Proportional to 241,694.87, 362,449.15 and 91,856.21

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Solution

The fourth proportional to 241,694.87, 362,449.15 and 91,856.21 is: 137,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,694.87 : 362,449.15 = 91,856.21 : x
  2. Step 2: Convert to fraction form
    241,694.87/362,449.15 = 91,856.21/x
  3. Step 3: Cross multiply
    241,694.87x = 362,449.15 × 91,856.21
  4. Step 4: Simplify right side
    241,694.87x = 33,293,203,194.84
  5. Step 5: Solve for x
    x = 33,293,203,194.84/241,694.87
  6. Step 6: Final answer
    x = 137,748.91

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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.