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Finding the Fourth Proportional to 82,372.32, 122,498.82 and 79,747.92

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Solution

The fourth proportional to 82,372.32, 122,498.82 and 79,747.92 is: 118,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,372.32 : 122,498.82 = 79,747.92 : x
  2. Step 2: Convert to fraction form
    82,372.32/122,498.82 = 79,747.92/x
  3. Step 3: Cross multiply
    82,372.32x = 122,498.82 × 79,747.92
  4. Step 4: Simplify right side
    82,372.32x = 9,769,026,097.45
  5. Step 5: Solve for x
    x = 9,769,026,097.45/82,372.32
  6. Step 6: Final answer
    x = 118,595.98

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