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Finding the Fourth Proportional to 106,410.62, 145,781.95 and 102,422.18

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Solution

The fourth proportional to 106,410.62, 145,781.95 and 102,422.18 is: 140,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,410.62 : 145,781.95 = 102,422.18 : x
  2. Step 2: Convert to fraction form
    106,410.62/145,781.95 = 102,422.18/x
  3. Step 3: Cross multiply
    106,410.62x = 145,781.95 × 102,422.18
  4. Step 4: Simplify right side
    106,410.62x = 14,931,305,123.65
  5. Step 5: Solve for x
    x = 14,931,305,123.65/106,410.62
  6. Step 6: Final answer
    x = 140,317.81

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