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Finding the Fourth Proportional to 123,637.20, 185,412.60 and 64,453.20

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Solution

The fourth proportional to 123,637.20, 185,412.60 and 64,453.20 is: 96,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,637.20 : 185,412.60 = 64,453.20 : x
  2. Step 2: Convert to fraction form
    123,637.20/185,412.60 = 64,453.20/x
  3. Step 3: Cross multiply
    123,637.20x = 185,412.60 × 64,453.20
  4. Step 4: Simplify right side
    123,637.20x = 11,950,435,390.32
  5. Step 5: Solve for x
    x = 11,950,435,390.32/123,637.20
  6. Step 6: Final answer
    x = 96,657.28

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