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Finding the Fourth Proportional to 76,686.08, 105,736.24 and 52,498.68

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Solution

The fourth proportional to 76,686.08, 105,736.24 and 52,498.68 is: 72,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,686.08 : 105,736.24 = 52,498.68 : x
  2. Step 2: Convert to fraction form
    76,686.08/105,736.24 = 52,498.68/x
  3. Step 3: Cross multiply
    76,686.08x = 105,736.24 × 52,498.68
  4. Step 4: Simplify right side
    76,686.08x = 5,551,013,028.16
  5. Step 5: Solve for x
    x = 5,551,013,028.16/76,686.08
  6. Step 6: Final answer
    x = 72,386.19

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