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Finding the Fourth Proportional to 78,756.76, 108,705 and 44,785.09

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Solution

The fourth proportional to 78,756.76, 108,705 and 44,785.09 is: 61,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,756.76 : 108,705 = 44,785.09 : x
  2. Step 2: Convert to fraction form
    78,756.76/108,705 = 44,785.09/x
  3. Step 3: Cross multiply
    78,756.76x = 108,705 × 44,785.09
  4. Step 4: Simplify right side
    78,756.76x = 4,868,363,208.45
  5. Step 5: Solve for x
    x = 4,868,363,208.45/78,756.76
  6. Step 6: Final answer
    x = 61,815.18

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