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Finding the Fourth Proportional to 125,626.20, 188,439.30 and 97,978.20

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Solution

The fourth proportional to 125,626.20, 188,439.30 and 97,978.20 is: 146,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,626.20 : 188,439.30 = 97,978.20 : x
  2. Step 2: Convert to fraction form
    125,626.20/188,439.30 = 97,978.20/x
  3. Step 3: Cross multiply
    125,626.20x = 188,439.30 × 97,978.20
  4. Step 4: Simplify right side
    125,626.20x = 18,462,943,423.26
  5. Step 5: Solve for x
    x = 18,462,943,423.26/125,626.20
  6. Step 6: Final answer
    x = 146,967.30

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