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Finding the Fourth Proportional to 72,350.80, 108,509.78 and 25,603.68

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Solution

The fourth proportional to 72,350.80, 108,509.78 and 25,603.68 is: 38,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.80 : 108,509.78 = 25,603.68 : x
  2. Step 2: Convert to fraction form
    72,350.80/108,509.78 = 25,603.68/x
  3. Step 3: Cross multiply
    72,350.80x = 108,509.78 × 25,603.68
  4. Step 4: Simplify right side
    72,350.80x = 2,778,249,683.99
  5. Step 5: Solve for x
    x = 2,778,249,683.99/72,350.80
  6. Step 6: Final answer
    x = 38,399.71

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