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Finding the Fourth Proportional to 55,936.40, 83,904.60 and 31,053.20

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Solution

The fourth proportional to 55,936.40, 83,904.60 and 31,053.20 is: 46,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.40 : 83,904.60 = 31,053.20 : x
  2. Step 2: Convert to fraction form
    55,936.40/83,904.60 = 31,053.20/x
  3. Step 3: Cross multiply
    55,936.40x = 83,904.60 × 31,053.20
  4. Step 4: Simplify right side
    55,936.40x = 2,605,506,324.72
  5. Step 5: Solve for x
    x = 2,605,506,324.72/55,936.40
  6. Step 6: Final answer
    x = 46,579.80

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