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Finding the Fourth Proportional to 86,900.42, 119,932.65 and 52,928.84

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Solution

The fourth proportional to 86,900.42, 119,932.65 and 52,928.84 is: 73,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,900.42 : 119,932.65 = 52,928.84 : x
  2. Step 2: Convert to fraction form
    86,900.42/119,932.65 = 52,928.84/x
  3. Step 3: Cross multiply
    86,900.42x = 119,932.65 × 52,928.84
  4. Step 4: Simplify right side
    86,900.42x = 6,347,895,442.96
  5. Step 5: Solve for x
    x = 6,347,895,442.96/86,900.42
  6. Step 6: Final answer
    x = 73,047.93

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