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Finding the Fourth Proportional to 112,086.55, 154,679.64 and 61,099.69

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Solution

The fourth proportional to 112,086.55, 154,679.64 and 61,099.69 is: 84,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,086.55 : 154,679.64 = 61,099.69 : x
  2. Step 2: Convert to fraction form
    112,086.55/154,679.64 = 61,099.69/x
  3. Step 3: Cross multiply
    112,086.55x = 154,679.64 × 61,099.69
  4. Step 4: Simplify right side
    112,086.55x = 9,450,878,053.31
  5. Step 5: Solve for x
    x = 9,450,878,053.31/112,086.55
  6. Step 6: Final answer
    x = 84,317.68

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