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Finding the Fourth Proportional to 168,007.77, 251,981.28 and 73,184.85

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Solution

The fourth proportional to 168,007.77, 251,981.28 and 73,184.85 is: 109,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,007.77 : 251,981.28 = 73,184.85 : x
  2. Step 2: Convert to fraction form
    168,007.77/251,981.28 = 73,184.85/x
  3. Step 3: Cross multiply
    168,007.77x = 251,981.28 × 73,184.85
  4. Step 4: Simplify right side
    168,007.77x = 18,441,212,179.61
  5. Step 5: Solve for x
    x = 18,441,212,179.61/168,007.77
  6. Step 6: Final answer
    x = 109,764.04

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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.