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Finding the Fourth Proportional to 112,308.31, 168,461.79 and 28,068.04

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Solution

The fourth proportional to 112,308.31, 168,461.79 and 28,068.04 is: 42,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.31 : 168,461.79 = 28,068.04 : x
  2. Step 2: Convert to fraction form
    112,308.31/168,461.79 = 28,068.04/x
  3. Step 3: Cross multiply
    112,308.31x = 168,461.79 × 28,068.04
  4. Step 4: Simplify right side
    112,308.31x = 4,728,392,260.19
  5. Step 5: Solve for x
    x = 4,728,392,260.19/112,308.31
  6. Step 6: Final answer
    x = 42,101.89

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