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Finding the Fourth Proportional to 85,867.99, 118,498.24 and 47,624.88

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Solution

The fourth proportional to 85,867.99, 118,498.24 and 47,624.88 is: 65,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,867.99 : 118,498.24 = 47,624.88 : x
  2. Step 2: Convert to fraction form
    85,867.99/118,498.24 = 47,624.88/x
  3. Step 3: Cross multiply
    85,867.99x = 118,498.24 × 47,624.88
  4. Step 4: Simplify right side
    85,867.99x = 5,643,464,341.15
  5. Step 5: Solve for x
    x = 5,643,464,341.15/85,867.99
  6. Step 6: Final answer
    x = 65,722.56

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