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Finding the Fourth Proportional to 101,195.76, 139,645.08 and 56,475.12

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Solution

The fourth proportional to 101,195.76, 139,645.08 and 56,475.12 is: 77,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,195.76 : 139,645.08 = 56,475.12 : x
  2. Step 2: Convert to fraction form
    101,195.76/139,645.08 = 56,475.12/x
  3. Step 3: Cross multiply
    101,195.76x = 139,645.08 × 56,475.12
  4. Step 4: Simplify right side
    101,195.76x = 7,886,472,650.41
  5. Step 5: Solve for x
    x = 7,886,472,650.41/101,195.76
  6. Step 6: Final answer
    x = 77,932.84

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