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Finding the Fourth Proportional to 78,384.00, 108,170.24 and 42,574.61

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Solution

The fourth proportional to 78,384.00, 108,170.24 and 42,574.61 is: 58,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,384.00 : 108,170.24 = 42,574.61 : x
  2. Step 2: Convert to fraction form
    78,384.00/108,170.24 = 42,574.61/x
  3. Step 3: Cross multiply
    78,384.00x = 108,170.24 × 42,574.61
  4. Step 4: Simplify right side
    78,384.00x = 4,605,305,839.16
  5. Step 5: Solve for x
    x = 4,605,305,839.16/78,384.00
  6. Step 6: Final answer
    x = 58,753.13

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