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Finding the Fourth Proportional to 80,235.29, 110,726.44 and 43,938.27

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Solution

The fourth proportional to 80,235.29, 110,726.44 and 43,938.27 is: 60,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,235.29 : 110,726.44 = 43,938.27 : x
  2. Step 2: Convert to fraction form
    80,235.29/110,726.44 = 43,938.27/x
  3. Step 3: Cross multiply
    80,235.29x = 110,726.44 × 43,938.27
  4. Step 4: Simplify right side
    80,235.29x = 4,865,128,107.01
  5. Step 5: Solve for x
    x = 4,865,128,107.01/80,235.29
  6. Step 6: Final answer
    x = 60,635.76

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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.