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Finding the Fourth Proportional to 73,862.17, 110,783.97 and 20,558.14

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Solution

The fourth proportional to 73,862.17, 110,783.97 and 20,558.14 is: 30,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.17 : 110,783.97 = 20,558.14 : x
  2. Step 2: Convert to fraction form
    73,862.17/110,783.97 = 20,558.14/x
  3. Step 3: Cross multiply
    73,862.17x = 110,783.97 × 20,558.14
  4. Step 4: Simplify right side
    73,862.17x = 2,277,512,468.70
  5. Step 5: Solve for x
    x = 2,277,512,468.70/73,862.17
  6. Step 6: Final answer
    x = 30,834.63

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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.