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Finding the Fourth Proportional to 129,752.40, 194,628.60 and 107,590.80

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Solution

The fourth proportional to 129,752.40, 194,628.60 and 107,590.80 is: 161,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,752.40 : 194,628.60 = 107,590.80 : x
  2. Step 2: Convert to fraction form
    129,752.40/194,628.60 = 107,590.80/x
  3. Step 3: Cross multiply
    129,752.40x = 194,628.60 × 107,590.80
  4. Step 4: Simplify right side
    129,752.40x = 20,940,246,776.88
  5. Step 5: Solve for x
    x = 20,940,246,776.88/129,752.40
  6. Step 6: Final answer
    x = 161,386.20

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