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Finding the Fourth Proportional to 111,899.07, 154,420.56 and 61,598.07

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Solution

The fourth proportional to 111,899.07, 154,420.56 and 61,598.07 is: 85,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,899.07 : 154,420.56 = 61,598.07 : x
  2. Step 2: Convert to fraction form
    111,899.07/154,420.56 = 61,598.07/x
  3. Step 3: Cross multiply
    111,899.07x = 154,420.56 × 61,598.07
  4. Step 4: Simplify right side
    111,899.07x = 9,512,008,464.32
  5. Step 5: Solve for x
    x = 9,512,008,464.32/111,899.07
  6. Step 6: Final answer
    x = 85,005.25

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