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Finding the Fourth Proportional to 85,364.70, 127,755.45 and 74,867.10

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Solution

The fourth proportional to 85,364.70, 127,755.45 and 74,867.10 is: 112,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,364.70 : 127,755.45 = 74,867.10 : x
  2. Step 2: Convert to fraction form
    85,364.70/127,755.45 = 74,867.10/x
  3. Step 3: Cross multiply
    85,364.70x = 127,755.45 × 74,867.10
  4. Step 4: Simplify right side
    85,364.70x = 9,564,680,050.70
  5. Step 5: Solve for x
    x = 9,564,680,050.70/85,364.70
  6. Step 6: Final answer
    x = 112,044.91

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