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Finding the Fourth Proportional to 216,862.83, 325,405.42 and 104,638.75

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Solution

The fourth proportional to 216,862.83, 325,405.42 and 104,638.75 is: 157,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,862.83 : 325,405.42 = 104,638.75 : x
  2. Step 2: Convert to fraction form
    216,862.83/325,405.42 = 104,638.75/x
  3. Step 3: Cross multiply
    216,862.83x = 325,405.42 × 104,638.75
  4. Step 4: Simplify right side
    216,862.83x = 34,050,015,316.91
  5. Step 5: Solve for x
    x = 34,050,015,316.91/216,862.83
  6. Step 6: Final answer
    x = 157,011.76

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