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Finding the Fourth Proportional to 111,643.18, 154,064.40 and 63,894.90

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Solution

The fourth proportional to 111,643.18, 154,064.40 and 63,894.90 is: 88,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,643.18 : 154,064.40 = 63,894.90 : x
  2. Step 2: Convert to fraction form
    111,643.18/154,064.40 = 63,894.90/x
  3. Step 3: Cross multiply
    111,643.18x = 154,064.40 × 63,894.90
  4. Step 4: Simplify right side
    111,643.18x = 9,843,929,431.56
  5. Step 5: Solve for x
    x = 9,843,929,431.56/111,643.18
  6. Step 6: Final answer
    x = 88,173.14

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