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Finding the Fourth Proportional to 78,348.66, 117,509.11 and 35,644.17

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Solution

The fourth proportional to 78,348.66, 117,509.11 and 35,644.17 is: 53,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,348.66 : 117,509.11 = 35,644.17 : x
  2. Step 2: Convert to fraction form
    78,348.66/117,509.11 = 35,644.17/x
  3. Step 3: Cross multiply
    78,348.66x = 117,509.11 × 35,644.17
  4. Step 4: Simplify right side
    78,348.66x = 4,188,514,515.17
  5. Step 5: Solve for x
    x = 4,188,514,515.17/78,348.66
  6. Step 6: Final answer
    x = 53,459.94

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