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Finding the Fourth Proportional to 190,791.30, 286,192.56 and 50,549.96

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Solution

The fourth proportional to 190,791.30, 286,192.56 and 50,549.96 is: 75,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,791.30 : 286,192.56 = 50,549.96 : x
  2. Step 2: Convert to fraction form
    190,791.30/286,192.56 = 50,549.96/x
  3. Step 3: Cross multiply
    190,791.30x = 286,192.56 × 50,549.96
  4. Step 4: Simplify right side
    190,791.30x = 14,467,022,460.30
  5. Step 5: Solve for x
    x = 14,467,022,460.30/190,791.30
  6. Step 6: Final answer
    x = 75,826.43

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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.