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Finding the Fourth Proportional to 76,870.85, 106,041.44 and 62,546.68

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Solution

The fourth proportional to 76,870.85, 106,041.44 and 62,546.68 is: 86,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,870.85 : 106,041.44 = 62,546.68 : x
  2. Step 2: Convert to fraction form
    76,870.85/106,041.44 = 62,546.68/x
  3. Step 3: Cross multiply
    76,870.85x = 106,041.44 × 62,546.68
  4. Step 4: Simplify right side
    76,870.85x = 6,632,539,171.48
  5. Step 5: Solve for x
    x = 6,632,539,171.48/76,870.85
  6. Step 6: Final answer
    x = 86,281.59

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