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Finding the Fourth Proportional to 410,130.20, 615,195.30 and 129,733.40

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Solution

The fourth proportional to 410,130.20, 615,195.30 and 129,733.40 is: 194,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,130.20 : 615,195.30 = 129,733.40 : x
  2. Step 2: Convert to fraction form
    410,130.20/615,195.30 = 129,733.40/x
  3. Step 3: Cross multiply
    410,130.20x = 615,195.30 × 129,733.40
  4. Step 4: Simplify right side
    410,130.20x = 79,811,377,933.02
  5. Step 5: Solve for x
    x = 79,811,377,933.02/410,130.20
  6. Step 6: Final answer
    x = 194,600.10

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