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Finding the Fourth Proportional to 131,169.58, 180,997.58 and 73,801.84

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Solution

The fourth proportional to 131,169.58, 180,997.58 and 73,801.84 is: 101,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,169.58 : 180,997.58 = 73,801.84 : x
  2. Step 2: Convert to fraction form
    131,169.58/180,997.58 = 73,801.84/x
  3. Step 3: Cross multiply
    131,169.58x = 180,997.58 × 73,801.84
  4. Step 4: Simplify right side
    131,169.58x = 13,357,954,439.55
  5. Step 5: Solve for x
    x = 13,357,954,439.55/131,169.58
  6. Step 6: Final answer
    x = 101,837.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.