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Finding the Fourth Proportional to 50,799.21, 76,177.41 and 19,203.94

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Solution

The fourth proportional to 50,799.21, 76,177.41 and 19,203.94 is: 28,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.21 : 76,177.41 = 19,203.94 : x
  2. Step 2: Convert to fraction form
    50,799.21/76,177.41 = 19,203.94/x
  3. Step 3: Cross multiply
    50,799.21x = 76,177.41 × 19,203.94
  4. Step 4: Simplify right side
    50,799.21x = 1,462,906,411.00
  5. Step 5: Solve for x
    x = 1,462,906,411.00/50,799.21
  6. Step 6: Final answer
    x = 28,797.82

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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.