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Finding the Fourth Proportional to 235,342.60, 324,774.76 and 127,912.60

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Solution

The fourth proportional to 235,342.60, 324,774.76 and 127,912.60 is: 176,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,342.60 : 324,774.76 = 127,912.60 : x
  2. Step 2: Convert to fraction form
    235,342.60/324,774.76 = 127,912.60/x
  3. Step 3: Cross multiply
    235,342.60x = 324,774.76 × 127,912.60
  4. Step 4: Simplify right side
    235,342.60x = 41,542,783,965.98
  5. Step 5: Solve for x
    x = 41,542,783,965.98/235,342.60
  6. Step 6: Final answer
    x = 176,520.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.