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Finding the Fourth Proportional to 70,168.68, 96,832.87 and 39,954.02

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Solution

The fourth proportional to 70,168.68, 96,832.87 and 39,954.02 is: 55,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.68 : 96,832.87 = 39,954.02 : x
  2. Step 2: Convert to fraction form
    70,168.68/96,832.87 = 39,954.02/x
  3. Step 3: Cross multiply
    70,168.68x = 96,832.87 × 39,954.02
  4. Step 4: Simplify right side
    70,168.68x = 3,868,861,840.59
  5. Step 5: Solve for x
    x = 3,868,861,840.59/70,168.68
  6. Step 6: Final answer
    x = 55,136.59

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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.