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Finding the Fourth Proportional to 85,164.49, 117,532.29 and 47,438.74

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Solution

The fourth proportional to 85,164.49, 117,532.29 and 47,438.74 is: 65,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164.49 : 117,532.29 = 47,438.74 : x
  2. Step 2: Convert to fraction form
    85,164.49/117,532.29 = 47,438.74/x
  3. Step 3: Cross multiply
    85,164.49x = 117,532.29 × 47,438.74
  4. Step 4: Simplify right side
    85,164.49x = 5,575,583,746.91
  5. Step 5: Solve for x
    x = 5,575,583,746.91/85,164.49
  6. Step 6: Final answer
    x = 65,468.41

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