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Finding the Fourth Proportional to 118,410.90, 163,405.12 and 64,694.76

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Solution

The fourth proportional to 118,410.90, 163,405.12 and 64,694.76 is: 89,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,410.90 : 163,405.12 = 64,694.76 : x
  2. Step 2: Convert to fraction form
    118,410.90/163,405.12 = 64,694.76/x
  3. Step 3: Cross multiply
    118,410.90x = 163,405.12 × 64,694.76
  4. Step 4: Simplify right side
    118,410.90x = 10,571,455,021.17
  5. Step 5: Solve for x
    x = 10,571,455,021.17/118,410.90
  6. Step 6: Final answer
    x = 89,277.72

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