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Finding the Fourth Proportional to 100,887.15, 139,157.60 and 63,095.79

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Solution

The fourth proportional to 100,887.15, 139,157.60 and 63,095.79 is: 87,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.15 : 139,157.60 = 63,095.79 : x
  2. Step 2: Convert to fraction form
    100,887.15/139,157.60 = 63,095.79/x
  3. Step 3: Cross multiply
    100,887.15x = 139,157.60 × 63,095.79
  4. Step 4: Simplify right side
    100,887.15x = 8,780,258,391.03
  5. Step 5: Solve for x
    x = 8,780,258,391.03/100,887.15
  6. Step 6: Final answer
    x = 87,030.49

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