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Finding the Fourth Proportional to 73,135.92, 109,704.90 and 25,752.54

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Solution

The fourth proportional to 73,135.92, 109,704.90 and 25,752.54 is: 38,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.92 : 109,704.90 = 25,752.54 : x
  2. Step 2: Convert to fraction form
    73,135.92/109,704.90 = 25,752.54/x
  3. Step 3: Cross multiply
    73,135.92x = 109,704.90 × 25,752.54
  4. Step 4: Simplify right side
    73,135.92x = 2,825,179,825.45
  5. Step 5: Solve for x
    x = 2,825,179,825.45/73,135.92
  6. Step 6: Final answer
    x = 38,629.17

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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.