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Finding the Fourth Proportional to 91,068.26, 136,569.58 and 38,481.84

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Solution

The fourth proportional to 91,068.26, 136,569.58 and 38,481.84 is: 57,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.26 : 136,569.58 = 38,481.84 : x
  2. Step 2: Convert to fraction form
    91,068.26/136,569.58 = 38,481.84/x
  3. Step 3: Cross multiply
    91,068.26x = 136,569.58 × 38,481.84
  4. Step 4: Simplify right side
    91,068.26x = 5,255,448,630.22
  5. Step 5: Solve for x
    x = 5,255,448,630.22/91,068.26
  6. Step 6: Final answer
    x = 57,708.90

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