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Finding the Fourth Proportional to 61,163.78, 91,769.02 and 23,750.12

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Solution

The fourth proportional to 61,163.78, 91,769.02 and 23,750.12 is: 35,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,163.78 : 91,769.02 = 23,750.12 : x
  2. Step 2: Convert to fraction form
    61,163.78/91,769.02 = 23,750.12/x
  3. Step 3: Cross multiply
    61,163.78x = 91,769.02 × 23,750.12
  4. Step 4: Simplify right side
    61,163.78x = 2,179,525,237.28
  5. Step 5: Solve for x
    x = 2,179,525,237.28/61,163.78
  6. Step 6: Final answer
    x = 35,634.25

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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.