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Finding the Fourth Proportional to 112,805.88, 155,646.85 and 64,392.36

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Solution

The fourth proportional to 112,805.88, 155,646.85 and 64,392.36 is: 88,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,805.88 : 155,646.85 = 64,392.36 : x
  2. Step 2: Convert to fraction form
    112,805.88/155,646.85 = 64,392.36/x
  3. Step 3: Cross multiply
    112,805.88x = 155,646.85 × 64,392.36
  4. Step 4: Simplify right side
    112,805.88x = 10,022,467,998.07
  5. Step 5: Solve for x
    x = 10,022,467,998.07/112,805.88
  6. Step 6: Final answer
    x = 88,847.04

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