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Finding the Fourth Proportional to 101,428.80, 152,143.20 and 94,819.20

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Solution

The fourth proportional to 101,428.80, 152,143.20 and 94,819.20 is: 142,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,428.80 : 152,143.20 = 94,819.20 : x
  2. Step 2: Convert to fraction form
    101,428.80/152,143.20 = 94,819.20/x
  3. Step 3: Cross multiply
    101,428.80x = 152,143.20 × 94,819.20
  4. Step 4: Simplify right side
    101,428.80x = 14,426,096,509.44
  5. Step 5: Solve for x
    x = 14,426,096,509.44/101,428.80
  6. Step 6: Final answer
    x = 142,228.80

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