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Finding the Fourth Proportional to 74,485.44, 111,704.16 and 24,553.92

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Solution

The fourth proportional to 74,485.44, 111,704.16 and 24,553.92 is: 36,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,485.44 : 111,704.16 = 24,553.92 : x
  2. Step 2: Convert to fraction form
    74,485.44/111,704.16 = 24,553.92/x
  3. Step 3: Cross multiply
    74,485.44x = 111,704.16 × 24,553.92
  4. Step 4: Simplify right side
    74,485.44x = 2,742,775,008.31
  5. Step 5: Solve for x
    x = 2,742,775,008.31/74,485.44
  6. Step 6: Final answer
    x = 36,822.97

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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.