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Finding the Fourth Proportional to 61,669.20, 92,350.20 and 49,381.20

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Solution

The fourth proportional to 61,669.20, 92,350.20 and 49,381.20 is: 73,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.20 : 92,350.20 = 49,381.20 : x
  2. Step 2: Convert to fraction form
    61,669.20/92,350.20 = 49,381.20/x
  3. Step 3: Cross multiply
    61,669.20x = 92,350.20 × 49,381.20
  4. Step 4: Simplify right side
    61,669.20x = 4,560,363,696.24
  5. Step 5: Solve for x
    x = 4,560,363,696.24/61,669.20
  6. Step 6: Final answer
    x = 73,948.81

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