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Finding the Fourth Proportional to 72,373.20, 108,521.40 and 25,627.60

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Solution

The fourth proportional to 72,373.20, 108,521.40 and 25,627.60 is: 38,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,373.20 : 108,521.40 = 25,627.60 : x
  2. Step 2: Convert to fraction form
    72,373.20/108,521.40 = 25,627.60/x
  3. Step 3: Cross multiply
    72,373.20x = 108,521.40 × 25,627.60
  4. Step 4: Simplify right side
    72,373.20x = 2,781,143,030.64
  5. Step 5: Solve for x
    x = 2,781,143,030.64/72,373.20
  6. Step 6: Final answer
    x = 38,427.80

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