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Finding the Fourth Proportional to 135,904.36, 187,541.67 and 75,478.90

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Solution

The fourth proportional to 135,904.36, 187,541.67 and 75,478.90 is: 104,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.36 : 187,541.67 = 75,478.90 : x
  2. Step 2: Convert to fraction form
    135,904.36/187,541.67 = 75,478.90/x
  3. Step 3: Cross multiply
    135,904.36x = 187,541.67 × 75,478.90
  4. Step 4: Simplify right side
    135,904.36x = 14,155,438,955.76
  5. Step 5: Solve for x
    x = 14,155,438,955.76/135,904.36
  6. Step 6: Final answer
    x = 104,157.36

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