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Finding the Fourth Proportional to 123,447.24, 185,179.50 and 61,101

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Solution

The fourth proportional to 123,447.24, 185,179.50 and 61,101 is: 91,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,447.24 : 185,179.50 = 61,101 : x
  2. Step 2: Convert to fraction form
    123,447.24/185,179.50 = 61,101/x
  3. Step 3: Cross multiply
    123,447.24x = 185,179.50 × 61,101
  4. Step 4: Simplify right side
    123,447.24x = 11,314,652,629.50
  5. Step 5: Solve for x
    x = 11,314,652,629.50/123,447.24
  6. Step 6: Final answer
    x = 91,655.78

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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.