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Finding the Fourth Proportional to 110,968, 153,136.38 and 60,667

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Solution

The fourth proportional to 110,968, 153,136.38 and 60,667 is: 83,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,968 : 153,136.38 = 60,667 : x
  2. Step 2: Convert to fraction form
    110,968/153,136.38 = 60,667/x
  3. Step 3: Cross multiply
    110,968x = 153,136.38 × 60,667
  4. Step 4: Simplify right side
    110,968x = 9,290,324,765.46
  5. Step 5: Solve for x
    x = 9,290,324,765.46/110,968
  6. Step 6: Final answer
    x = 83,720.76

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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.