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Finding the Fourth Proportional to 72,483.57, 108,704.41 and 25,096.75

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Solution

The fourth proportional to 72,483.57, 108,704.41 and 25,096.75 is: 37,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483.57 : 108,704.41 = 25,096.75 : x
  2. Step 2: Convert to fraction form
    72,483.57/108,704.41 = 25,096.75/x
  3. Step 3: Cross multiply
    72,483.57x = 108,704.41 × 25,096.75
  4. Step 4: Simplify right side
    72,483.57x = 2,728,127,067.16
  5. Step 5: Solve for x
    x = 2,728,127,067.16/72,483.57
  6. Step 6: Final answer
    x = 37,637.87

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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.