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Finding the Fourth Proportional to 123,059.60, 184,589.40 and 83,693.60

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Solution

The fourth proportional to 123,059.60, 184,589.40 and 83,693.60 is: 125,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,059.60 : 184,589.40 = 83,693.60 : x
  2. Step 2: Convert to fraction form
    123,059.60/184,589.40 = 83,693.60/x
  3. Step 3: Cross multiply
    123,059.60x = 184,589.40 × 83,693.60
  4. Step 4: Simplify right side
    123,059.60x = 15,448,951,407.84
  5. Step 5: Solve for x
    x = 15,448,951,407.84/123,059.60
  6. Step 6: Final answer
    x = 125,540.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.