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Finding the Fourth Proportional to 112,022.10, 168,033.15 and 28,916.10

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Solution

The fourth proportional to 112,022.10, 168,033.15 and 28,916.10 is: 43,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.10 : 168,033.15 = 28,916.10 : x
  2. Step 2: Convert to fraction form
    112,022.10/168,033.15 = 28,916.10/x
  3. Step 3: Cross multiply
    112,022.10x = 168,033.15 × 28,916.10
  4. Step 4: Simplify right side
    112,022.10x = 4,858,863,368.72
  5. Step 5: Solve for x
    x = 4,858,863,368.72/112,022.10
  6. Step 6: Final answer
    x = 43,374.15

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