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Finding the Fourth Proportional to 73,167.36, 109,750.24 and 17,763.36

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Solution

The fourth proportional to 73,167.36, 109,750.24 and 17,763.36 is: 26,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.36 : 109,750.24 = 17,763.36 : x
  2. Step 2: Convert to fraction form
    73,167.36/109,750.24 = 17,763.36/x
  3. Step 3: Cross multiply
    73,167.36x = 109,750.24 × 17,763.36
  4. Step 4: Simplify right side
    73,167.36x = 1,949,533,023.21
  5. Step 5: Solve for x
    x = 1,949,533,023.21/73,167.36
  6. Step 6: Final answer
    x = 26,644.85

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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.