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Finding the Fourth Proportional to 113,886.30, 170,829.45 and 51,556.80

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Solution

The fourth proportional to 113,886.30, 170,829.45 and 51,556.80 is: 77,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886.30 : 170,829.45 = 51,556.80 : x
  2. Step 2: Convert to fraction form
    113,886.30/170,829.45 = 51,556.80/x
  3. Step 3: Cross multiply
    113,886.30x = 170,829.45 × 51,556.80
  4. Step 4: Simplify right side
    113,886.30x = 8,807,419,787.76
  5. Step 5: Solve for x
    x = 8,807,419,787.76/113,886.30
  6. Step 6: Final answer
    x = 77,335.20

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