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Finding the Fourth Proportional to 115,959.60, 173,915.10 and 56,837.70

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Solution

The fourth proportional to 115,959.60, 173,915.10 and 56,837.70 is: 85,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,959.60 : 173,915.10 = 56,837.70 : x
  2. Step 2: Convert to fraction form
    115,959.60/173,915.10 = 56,837.70/x
  3. Step 3: Cross multiply
    115,959.60x = 173,915.10 × 56,837.70
  4. Step 4: Simplify right side
    115,959.60x = 9,884,934,279.27
  5. Step 5: Solve for x
    x = 9,884,934,279.27/115,959.60
  6. Step 6: Final answer
    x = 85,244.64

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