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Finding the Fourth Proportional to 51,644.80, 77,467.20 and 48,534.40

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Solution

The fourth proportional to 51,644.80, 77,467.20 and 48,534.40 is: 72,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,644.80 : 77,467.20 = 48,534.40 : x
  2. Step 2: Convert to fraction form
    51,644.80/77,467.20 = 48,534.40/x
  3. Step 3: Cross multiply
    51,644.80x = 77,467.20 × 48,534.40
  4. Step 4: Simplify right side
    51,644.80x = 3,759,824,071.68
  5. Step 5: Solve for x
    x = 3,759,824,071.68/51,644.80
  6. Step 6: Final answer
    x = 72,801.60

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