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Finding the Fourth Proportional to 111,904.80, 154,428.22 and 61,603.80

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Solution

The fourth proportional to 111,904.80, 154,428.22 and 61,603.80 is: 85,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,904.80 : 154,428.22 = 61,603.80 : x
  2. Step 2: Convert to fraction form
    111,904.80/154,428.22 = 61,603.80/x
  3. Step 3: Cross multiply
    111,904.80x = 154,428.22 × 61,603.80
  4. Step 4: Simplify right side
    111,904.80x = 9,513,365,179.24
  5. Step 5: Solve for x
    x = 9,513,365,179.24/111,904.80
  6. Step 6: Final answer
    x = 85,013.02

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