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Finding the Fourth Proportional to 78,276, 108,020.88 and 44,742.72

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Solution

The fourth proportional to 78,276, 108,020.88 and 44,742.72 is: 61,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,276 : 108,020.88 = 44,742.72 : x
  2. Step 2: Convert to fraction form
    78,276/108,020.88 = 44,742.72/x
  3. Step 3: Cross multiply
    78,276x = 108,020.88 × 44,742.72
  4. Step 4: Simplify right side
    78,276x = 4,833,147,987.99
  5. Step 5: Solve for x
    x = 4,833,147,987.99/78,276
  6. Step 6: Final answer
    x = 61,744.95

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