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Finding the Fourth Proportional to 179,773.63, 269,763.48 and 73,137.91

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Solution

The fourth proportional to 179,773.63, 269,763.48 and 73,137.91 is: 109,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,773.63 : 269,763.48 = 73,137.91 : x
  2. Step 2: Convert to fraction form
    179,773.63/269,763.48 = 73,137.91/x
  3. Step 3: Cross multiply
    179,773.63x = 269,763.48 × 73,137.91
  4. Step 4: Simplify right side
    179,773.63x = 19,729,937,121.53
  5. Step 5: Solve for x
    x = 19,729,937,121.53/179,773.63
  6. Step 6: Final answer
    x = 109,748.78

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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.