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Finding the Fourth Proportional to 78,594.31, 108,428.10 and 48,370.51

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Solution

The fourth proportional to 78,594.31, 108,428.10 and 48,370.51 is: 66,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,594.31 : 108,428.10 = 48,370.51 : x
  2. Step 2: Convert to fraction form
    78,594.31/108,428.10 = 48,370.51/x
  3. Step 3: Cross multiply
    78,594.31x = 108,428.10 × 48,370.51
  4. Step 4: Simplify right side
    78,594.31x = 5,244,722,495.33
  5. Step 5: Solve for x
    x = 5,244,722,495.33/78,594.31
  6. Step 6: Final answer
    x = 66,731.58

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