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Finding the Fourth Proportional to 78,306.84, 108,068.76 and 44,315.31

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Solution

The fourth proportional to 78,306.84, 108,068.76 and 44,315.31 is: 61,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,306.84 : 108,068.76 = 44,315.31 : x
  2. Step 2: Convert to fraction form
    78,306.84/108,068.76 = 44,315.31/x
  3. Step 3: Cross multiply
    78,306.84x = 108,068.76 × 44,315.31
  4. Step 4: Simplify right side
    78,306.84x = 4,789,100,600.72
  5. Step 5: Solve for x
    x = 4,789,100,600.72/78,306.84
  6. Step 6: Final answer
    x = 61,158.14

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