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Finding the Fourth Proportional to 241,695.87, 362,450.65 and 91,857.21

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Solution

The fourth proportional to 241,695.87, 362,450.65 and 91,857.21 is: 137,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,695.87 : 362,450.65 = 91,857.21 : x
  2. Step 2: Convert to fraction form
    241,695.87/362,450.65 = 91,857.21/x
  3. Step 3: Cross multiply
    241,695.87x = 362,450.65 × 91,857.21
  4. Step 4: Simplify right side
    241,695.87x = 33,293,705,471.69
  5. Step 5: Solve for x
    x = 33,293,705,471.69/241,695.87
  6. Step 6: Final answer
    x = 137,750.41

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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.