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Finding the Fourth Proportional to 125,930.60, 188,895.90 and 72,713.60

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Solution

The fourth proportional to 125,930.60, 188,895.90 and 72,713.60 is: 109,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,930.60 : 188,895.90 = 72,713.60 : x
  2. Step 2: Convert to fraction form
    125,930.60/188,895.90 = 72,713.60/x
  3. Step 3: Cross multiply
    125,930.60x = 188,895.90 × 72,713.60
  4. Step 4: Simplify right side
    125,930.60x = 13,735,300,914.24
  5. Step 5: Solve for x
    x = 13,735,300,914.24/125,930.60
  6. Step 6: Final answer
    x = 109,070.40

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