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Finding the Fourth Proportional to 74,493.60, 111,754.80 and 37,557.60

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Solution

The fourth proportional to 74,493.60, 111,754.80 and 37,557.60 is: 56,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.60 : 111,754.80 = 37,557.60 : x
  2. Step 2: Convert to fraction form
    74,493.60/111,754.80 = 37,557.60/x
  3. Step 3: Cross multiply
    74,493.60x = 111,754.80 × 37,557.60
  4. Step 4: Simplify right side
    74,493.60x = 4,197,242,076.48
  5. Step 5: Solve for x
    x = 4,197,242,076.48/74,493.60
  6. Step 6: Final answer
    x = 56,343.66

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