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Finding the Fourth Proportional to 73,136.46, 100,935.77 and 52,735.31

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Solution

The fourth proportional to 73,136.46, 100,935.77 and 52,735.31 is: 72,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,136.46 : 100,935.77 = 52,735.31 : x
  2. Step 2: Convert to fraction form
    73,136.46/100,935.77 = 52,735.31/x
  3. Step 3: Cross multiply
    73,136.46x = 100,935.77 × 52,735.31
  4. Step 4: Simplify right side
    73,136.46x = 5,322,878,352.68
  5. Step 5: Solve for x
    x = 5,322,878,352.68/73,136.46
  6. Step 6: Final answer
    x = 72,780.09

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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.