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Finding the Fourth Proportional to 78,933.95, 108,948.71 and 50,688.84

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Solution

The fourth proportional to 78,933.95, 108,948.71 and 50,688.84 is: 69,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,933.95 : 108,948.71 = 50,688.84 : x
  2. Step 2: Convert to fraction form
    78,933.95/108,948.71 = 50,688.84/x
  3. Step 3: Cross multiply
    78,933.95x = 108,948.71 × 50,688.84
  4. Step 4: Simplify right side
    78,933.95x = 5,522,483,729.40
  5. Step 5: Solve for x
    x = 5,522,483,729.40/78,933.95
  6. Step 6: Final answer
    x = 69,963.35

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