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Finding the Fourth Proportional to 209,749.37, 289,458.60 and 114,255.86

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Solution

The fourth proportional to 209,749.37, 289,458.60 and 114,255.86 is: 157,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,749.37 : 289,458.60 = 114,255.86 : x
  2. Step 2: Convert to fraction form
    209,749.37/289,458.60 = 114,255.86/x
  3. Step 3: Cross multiply
    209,749.37x = 289,458.60 × 114,255.86
  4. Step 4: Simplify right side
    209,749.37x = 33,072,341,277.40
  5. Step 5: Solve for x
    x = 33,072,341,277.40/209,749.37
  6. Step 6: Final answer
    x = 157,675.52

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