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Finding the Fourth Proportional to 72,401.40, 108,650.70 and 32,938.20

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Solution

The fourth proportional to 72,401.40, 108,650.70 and 32,938.20 is: 49,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401.40 : 108,650.70 = 32,938.20 : x
  2. Step 2: Convert to fraction form
    72,401.40/108,650.70 = 32,938.20/x
  3. Step 3: Cross multiply
    72,401.40x = 108,650.70 × 32,938.20
  4. Step 4: Simplify right side
    72,401.40x = 3,578,758,486.74
  5. Step 5: Solve for x
    x = 3,578,758,486.74/72,401.40
  6. Step 6: Final answer
    x = 49,429.41

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