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Finding the Fourth Proportional to 92,603.56, 127,793.82 and 50,163

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Solution

The fourth proportional to 92,603.56, 127,793.82 and 50,163 is: 69,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,603.56 : 127,793.82 = 50,163 : x
  2. Step 2: Convert to fraction form
    92,603.56/127,793.82 = 50,163/x
  3. Step 3: Cross multiply
    92,603.56x = 127,793.82 × 50,163
  4. Step 4: Simplify right side
    92,603.56x = 6,410,521,392.66
  5. Step 5: Solve for x
    x = 6,410,521,392.66/92,603.56
  6. Step 6: Final answer
    x = 69,225.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.