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Finding the Fourth Proportional to 103,455.80, 155,183.70 and 92,302.10

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Solution

The fourth proportional to 103,455.80, 155,183.70 and 92,302.10 is: 138,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,455.80 : 155,183.70 = 92,302.10 : x
  2. Step 2: Convert to fraction form
    103,455.80/155,183.70 = 92,302.10/x
  3. Step 3: Cross multiply
    103,455.80x = 155,183.70 × 92,302.10
  4. Step 4: Simplify right side
    103,455.80x = 14,323,781,395.77
  5. Step 5: Solve for x
    x = 14,323,781,395.77/103,455.80
  6. Step 6: Final answer
    x = 138,453.15

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