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Finding the Fourth Proportional to 67,270.65, 92,161.20 and 64,748.31

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Solution

The fourth proportional to 67,270.65, 92,161.20 and 64,748.31 is: 88,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,270.65 : 92,161.20 = 64,748.31 : x
  2. Step 2: Convert to fraction form
    67,270.65/92,161.20 = 64,748.31/x
  3. Step 3: Cross multiply
    67,270.65x = 92,161.20 × 64,748.31
  4. Step 4: Simplify right side
    67,270.65x = 5,967,281,947.57
  5. Step 5: Solve for x
    x = 5,967,281,947.57/67,270.65
  6. Step 6: Final answer
    x = 88,705.58

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