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Finding the Fourth Proportional to 132,749.21, 183,193.17 and 72,319.73

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Solution

The fourth proportional to 132,749.21, 183,193.17 and 72,319.73 is: 99,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,749.21 : 183,193.17 = 72,319.73 : x
  2. Step 2: Convert to fraction form
    132,749.21/183,193.17 = 72,319.73/x
  3. Step 3: Cross multiply
    132,749.21x = 183,193.17 × 72,319.73
  4. Step 4: Simplify right side
    132,749.21x = 13,248,479,676.28
  5. Step 5: Solve for x
    x = 13,248,479,676.28/132,749.21
  6. Step 6: Final answer
    x = 99,800.82

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