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Finding the Fourth Proportional to 74,506.28, 111,868.78 and 46,545.48

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Solution

The fourth proportional to 74,506.28, 111,868.78 and 46,545.48 is: 69,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,506.28 : 111,868.78 = 46,545.48 : x
  2. Step 2: Convert to fraction form
    74,506.28/111,868.78 = 46,545.48/x
  3. Step 3: Cross multiply
    74,506.28x = 111,868.78 × 46,545.48
  4. Step 4: Simplify right side
    74,506.28x = 5,206,986,062.11
  5. Step 5: Solve for x
    x = 5,206,986,062.11/74,506.28
  6. Step 6: Final answer
    x = 69,886.54

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